It's about one-one-hundred-fiftieth as heavy as a Dalmatian
In other words, 0.000000000200 megatonnes is 0.00678 times the weight of a Dalmatian, and the weight of a Dalmatian is 147 times that amount.(a.k.a. Dalmatinac, a.k.a. Carriage Dog, a.k.a. Spotted Coach Dog, a.k.a. Firehouse Dog) (FCI standard; male)
The Fédération Cynologique Internationale (FCI) calls for Dalmatians to weigh between 0.00000002950 megatonnes. The association of the breed with fire departments (and similarly with Budweiser Beer and its team of Clydesdales) stems from their affinity for horses, having been used historically as carriage dogs capable of guiding horse-drawn fire engines to the sites of blazes.
It's about 200 times as heavy as a Jelly Bean
In other words, 0.000000000200 megatonnes is 180 times the weight of a Jelly Bean, and the weight of a Jelly Bean is 0.0056 times that amount.(for Jelly Belly beans; approximate)
Made of sugar, corn syrup, and pectin, a single jelly bean weighs about 0.00000000000110 megatonnes. President Ronald Reagan cited jelly beans as his favorite candy and 0.00000320 megatonnes of the candies were served at his first inauguration in 1981.
It's about one-two-hundredth as heavy as a Toilet
In other words, 0.000000000200 megatonnes is 0.00459 times the weight of a Toilet, and the weight of a Toilet is 218 times that amount.(KOHLER Round front sitting flush toilet, model #K-11471-0)
The weight of a typical round front sitting flush toilet is 0.00000004360 megatonnes. The Indian town of Musiri in Tamil Nadu state features the world's only paying toilet, which rewards its users up to 10¢ Indian (10 paisas) per visit and uses the waste for compost and fertilizer.
It's about 250 times as heavy as a Nail
It's about one-two-hundred-fiftieth as heavy as an Octopus
In other words, the weight of an Octopus is 250 times 0.000000000200 megatonnes.(for Giant Pacific Octopus, Enteroctopus) (Adult, average)
The adult North Pacific Giant Octopus usually weighs around 0.0000000500 megatonnes. It is the largest octopus species and is known for its considerable intelligence, including the ability to open jars, solve mazes, and mimic other octopuses.
It's about one-three-hundred-fiftieth as heavy as a Beer Keg
In other words, 0.000000000200 megatonnes is 0.002747 times the weight of a Beer Keg, and the weight of a Beer Keg is 364 times that amount.(for US half-barrel, full keg; draft beer; including keg itself, stainless steel)
A typical, half-barrel beer keg weighs 0.00000007280 megatonnes when full. A keg of this size contains 15.5 gallons of beer, or the equivalent of 6.8 cases.
It's about one-four-hundredth as heavy as a Kangaroo
In other words, 0.000000000200 megatonnes is 0.0024 times the weight of a Kangaroo, and the weight of a Kangaroo is 420 times that amount.(for red kangaroo, Macropus rufus) (adult, male)
An adult, male red kangaroo weighs up to 0.0000000850 megatonnes. Fantastic jumpers, red kangaroos can leap horizontally 9 m (30 ft) and vertically 3 m (9 ft) in a single bound.