With this information, you can calculate the quantity of square meters 20 square kilometers is equal to.
¿What is the inverse calculation between 1 square meter and 20 square kilometers?
Performing the inverse calculation of the relationship between units, we obtain that 1 square meter is 5e-08 times 20 square kilometers.
Which is the same to say that 20 square kilometers is 20000000 square meters.
Twenty square kilometers equals to twenty million square meters. *Approximation
A square meter is five times twenty square kilometers. *Approximation