202013421025000 has 96 divisors (see below), whose sum is σ = 509857012297080. Its totient is φ = 74589570720000.

The previous prime is 202013421024991. The next prime is 202013421025027. The reversal of 202013421025000 is 520124310202.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 85185036221476 + 116828384803524 = 9229574^2 + 10808718^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310464879 + ... + 311114878.

Almost surely, 2^{202013421025000} is an apocalyptic number.

202013421025000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202013421025000 is an abundant number, since it is smaller than the sum of its proper divisors (307843591272080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202013421025000 is an equidigital number, since it uses as much as digits as its factorization.

202013421025000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621579801 (or 621579777 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 202013421025000 its reverse (520124310202), we get a palindrome (202533545335202).

The spelling of 202013421025000 in words is "two hundred two trillion, thirteen billion, four hundred twenty-one million, twenty-five thousand".