204530032404 has 72 divisors (see below), whose sum is σ = 519104896128. Its totient is φ = 67900210560.

The previous prime is 204530032403. The next prime is 204530032439. The reversal of 204530032404 is 404230035402.

204530032404 is a `hidden beast` number, since 204 + 53 + 0 + 0 + 3 + 2 + 404 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204530032403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27987319 + ... + 27994625.

It is an arithmetic number, because the mean of its divisors is an integer number (7209790224).

Almost surely, 2^204530032404 is an apocalyptic number.

It is an amenable number.

204530032404 is an abundant number, since it is smaller than the sum of its proper divisors (314574863724).

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

204530032404 is a wasteful number, since it uses less digits than its factorization.

204530032404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10365 (or 10360 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 204530032404 its reverse (404230035402), we get a palindrome (608760067806).

The spelling of 204530032404 in words is "two hundred four billion, five hundred thirty million, thirty-two thousand, four hundred four".