204502434204 has 48 divisors (see below), whose sum is σ = 497394817920. Its totient is φ = 65314441920.

The previous prime is 204502434203. The next prime is 204502434223. The reversal of 204502434204 is 402434205402.

It is a super-2 number, since 2×204502434204² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204502434203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2197354 + ... + 2288529.

It is an arithmetic number, because the mean of its divisors is an integer number (10362392040).

Almost surely, 2^204502434204 is an apocalyptic number.

It is an amenable number.

204502434204 is an abundant number, since it is smaller than the sum of its proper divisors (292892383716).

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

204502434204 is a wasteful number, since it uses less digits than its factorization.

204502434204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4486050 (or 4486048 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 204502434204 its reverse (402434205402), we get a palindrome (606936639606).

The spelling of 204502434204 in words is "two hundred four billion, five hundred two million, four hundred thirty-four thousand, two hundred four".