Are the numbers the same in English and Spanish?

well they are 1,2,3,4 but the writing is different
like

one = uno
two = dos
three = tres
four = cuatro
twenty = veinte

additionally, some numbers ARE Different.

in English a Billion = 1000,000,000
in Spanish a Billón = 1000,000,000,000

Speaking of Billones in Spanish is therefore rare.