204331404 has 24 divisors (see below), whose sum is σ = 477190000. Its totient is φ = 68050944.

The previous prime is 204331403. The next prime is 204331411. The reversal of 204331404 is 404133402.

204331404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×204331404² = 83502645321222432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204331403) 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, 8172 + ... + 21804.

Almost surely, 2^204331404 is an apocalyptic number.

It is an amenable number.

204331404 is an abundant number, since it is smaller than the sum of its proper divisors (272858596).

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

204331404 is a wasteful number, since it uses less digits than its factorization.

204331404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14889 (or 14887 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 204331404 is about 14294.4536097047. The cubic root of 204331404 is about 588.9951333379.

Adding to 204331404 its reverse (404133402), we get a palindrome (608464806).

The spelling of 204331404 in words is "two hundred four million, three hundred thirty-one thousand, four hundred four".