204204320 has 48 divisors (see below), whose sum is σ = 483392448. Its totient is φ = 81519360.

The previous prime is 204204317. The next prime is 204204349. The reversal of 204204320 is 23402402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109637 + ... + 111483.

It is an arithmetic number, because the mean of its divisors is an integer number (10070676).

Almost surely, 2^204204320 is an apocalyptic number.

204204320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204204320 is an abundant number, since it is smaller than the sum of its proper divisors (279188128).

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

204204320 is a wasteful number, since it uses less digits than its factorization.

204204320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553 (or 2545 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 204204320 is about 14290.0076976886. The cubic root of 204204320 is about 588.8729994262.

Adding to 204204320 its reverse (23402402), we get a palindrome (227606722).

The spelling of 204204320 in words is "two hundred four million, two hundred four thousand, three hundred twenty".