204572 has 12 divisors (see below), whose sum is σ = 361200. Its totient is φ = 101376.

The previous prime is 204563. The next prime is 204583. The reversal of 204572 is 275402.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

204572 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668 + ... + 924.

It is an arithmetic number, because the mean of its divisors is an integer number (30100).

2²⁰⁴⁵⁷² is an apocalyptic number.

It is an amenable number.

204572 is a deficient number, since it is larger than the sum of its proper divisors (156628).

204572 is a wasteful number, since it uses less digits than its factorization.

204572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 204572 is about 452.2963630188. The cubic root of 204572 is about 58.9226219189.

Adding to 204572 its reverse (275402), we get a palindrome (479974).

The spelling of 204572 in words is "two hundred four thousand, five hundred seventy-two".