It is 5 billion, accurate to two decimal places.
500 billion litres. Hope this helps :)
9,999,999,999,999 divided by 20 = 499999999999.95
500,000,000,000
500000000000
500000000000
30000000000
500000000000
500000000000
five hundred billion
0.0001
$50.000 500000000000
500000000000 b.C.