204240252 has 24 divisors (see below), whose sum is σ = 477269632. Its totient is φ = 67978800.

The previous prime is 204240221. The next prime is 204240263. The reversal of 204240252 is 252042402.

It is a congruent number.

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, 4024 + ... + 20607.

Almost surely, 2^204240252 is an apocalyptic number.

It is an amenable number.

204240252 is an abundant number, since it is smaller than the sum of its proper divisors (273029380).

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

204240252 is a wasteful number, since it uses less digits than its factorization.

204240252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25329 (or 25327 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 204240252 is about 14291.2648845370. The cubic root of 204240252 is about 588.9075369647.

Adding to 204240252 its reverse (252042402), we get a palindrome (456282654).

The spelling of 204240252 in words is "two hundred four million, two hundred forty thousand, two hundred fifty-two".