204130052 has 12 divisors (see below), whose sum is σ = 408260160. Its totient is φ = 87484296.

The previous prime is 204130049. The next prime is 204130063. The reversal of 204130052 is 250031402.

204130052 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 204130052.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3645152 + ... + 3645207.

It is an arithmetic number, because the mean of its divisors is an integer number (34021680).

Almost surely, 2^204130052 is an apocalyptic number.

It is an amenable number.

204130052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

204130052 is a wasteful number, since it uses less digits than its factorization.

204130052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7290370 (or 7290368 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 204130052 is about 14287.4088623515. The cubic root of 204130052 is about 588.8016008013.

Adding to 204130052 its reverse (250031402), we get a palindrome (454161454).

The spelling of 204130052 in words is "two hundred four million, one hundred thirty thousand, fifty-two".