204552 has 32 divisors (see below), whose sum is σ = 568800. Its totient is φ = 68112.

The previous prime is 204521. The next prime is 204557. The reversal of 204552 is 255402.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (204557) by changing a digit.

204552 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 7 ways as a sum of consecutive naturals, for example, 258 + ... + 689.

It is an arithmetic number, because the mean of its divisors is an integer number (17775).

2²⁰⁴⁵⁵² is an apocalyptic number.

It is an amenable number.

204552 is an abundant number, since it is smaller than the sum of its proper divisors (364248).

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

204552 is a wasteful number, since it uses less digits than its factorization.

204552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962 (or 952 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 204552 is about 452.2742530810. The cubic root of 204552 is about 58.9207016645.

Adding to 204552 its reverse (255402), we get a palindrome (459954).

The spelling of 204552 in words is "two hundred four thousand, five hundred fifty-two".