204520204 has 24 divisors (see below), whose sum is σ = 409623200. Its totient is φ = 87526656.

The previous prime is 204520111. The next prime is 204520207. The reversal of 204520204 is 402025402.

It is not an unprimeable number, because it can be changed into a prime (204520207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16372 + ... + 26020.

Almost surely, 2^204520204 is an apocalyptic number.

It is an amenable number.

204520204 is an abundant number, since it is smaller than the sum of its proper divisors (205102996).

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

204520204 is a wasteful number, since it uses less digits than its factorization.

204520204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10417 (or 10415 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 204520204 is about 14301.0560449220. The cubic root of 204520204 is about 589.1764858640.

Adding to 204520204 its reverse (402025402), we get a palindrome (606545606).

The spelling of 204520204 in words is "two hundred four million, five hundred twenty thousand, two hundred four".