204404124 has 24 divisors (see below), whose sum is σ = 504998928. Its totient is φ = 64126720.

The previous prime is 204404113. The next prime is 204404129. The reversal of 204404124 is 421404402.

204404124 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 204404124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204404129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500787 + ... + 501194.

It is an arithmetic number, because the mean of its divisors is an integer number (21041622).

Almost surely, 2^204404124 is an apocalyptic number.

It is an amenable number.

204404124 is an abundant number, since it is smaller than the sum of its proper divisors (300594804).

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

204404124 is a wasteful number, since it uses less digits than its factorization.

204404124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002005 (or 1002003 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 204404124 is about 14296.9970273481. The cubic root of 204404124 is about 589.0649980203.

Adding to 204404124 its reverse (421404402), we get a palindrome (625808526).

The spelling of 204404124 in words is "two hundred four million, four hundred four thousand, one hundred twenty-four".