How do you write 3332225524 in numeric number?

Presumably you mean in Roman numerals?If so then it is: (IV)DCCXVNumerals in brackets indicate multiplication by a thousand.Hence: (IV)DCCXV = 4*1000+500+100+100+10+5 = 4715

LXXV

The number 20,000 can be represented by the Roman numeral (XX)

2720129 will do perfectly well.

M = 1000 and 2000 is simply MM (1000 + 1000), 7 = VII so 2007 is written as MMVII