204431124 has 12 divisors (see below), whose sum is σ = 477005984. Its totient is φ = 68143704.

The previous prime is 204431119. The next prime is 204431147. The reversal of 204431124 is 421134402.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 204431124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8517952 + ... + 8517975.

Almost surely, 2^204431124 is an apocalyptic number.

It is an amenable number.

204431124 is an abundant number, since it is smaller than the sum of its proper divisors (272574860).

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

204431124 is a wasteful number, since it uses less digits than its factorization.

204431124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17035934 (or 17035932 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 204431124 is about 14297.9412504038. The cubic root of 204431124 is about 589.0909336593.

Adding to 204431124 its reverse (421134402), we get a palindrome (625565526).

The spelling of 204431124 in words is "two hundred four million, four hundred thirty-one thousand, one hundred twenty-four".