204420111232 has 32 divisors (see below), whose sum is σ = 414145632600. Its totient is φ = 100477678080.

The previous prime is 204420111209. The next prime is 204420111253. The reversal of 204420111232 is 232111024402.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×204420111232² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13526619 + ... + 13541722.

Almost surely, 2^204420111232 is an apocalyptic number.

It is an amenable number.

204420111232 is an abundant number, since it is smaller than the sum of its proper divisors (209725521368).

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

204420111232 is an equidigital number, since it uses as much as digits as its factorization.

204420111232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27068414 (or 27068402 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 204420111232 its reverse (232111024402), we get a palindrome (436531135634).

The spelling of 204420111232 in words is "two hundred four billion, four hundred twenty million, one hundred eleven thousand, two hundred thirty-two".