204432404 has 36 divisors (see below), whose sum is σ = 399957600. Its totient is φ = 91336080.

The previous prime is 204432391. The next prime is 204432409. The reversal of 204432404 is 404234402.

204432404 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 204432404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204432409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24977 + ... + 32135.

Almost surely, 2^204432404 is an apocalyptic number.

It is an amenable number.

204432404 is a deficient number, since it is larger than the sum of its proper divisors (195525196).

204432404 is a wasteful number, since it uses less digits than its factorization.

204432404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7244 (or 7231 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 204432404 is about 14297.9860120228. The cubic root of 204432404 is about 589.0921631440.

Adding to 204432404 its reverse (404234402), we get a palindrome (608666806).

The spelling of 204432404 in words is "two hundred four million, four hundred thirty-two thousand, four hundred four".