204431202424 has 8 divisors (see below), whose sum is σ = 383308504560. Its totient is φ = 102215601208.

The previous prime is 204431202401. The next prime is 204431202431. The reversal of 204431202424 is 424202134402.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 204431202392 and 204431202401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12776950144 + ... + 12776950159.

It is an arithmetic number, because the mean of its divisors is an integer number (47913563070).

Almost surely, 2^204431202424 is an apocalyptic number.

It is an amenable number.

204431202424 is a deficient number, since it is larger than the sum of its proper divisors (178877302136).

204431202424 is a wasteful number, since it uses less digits than its factorization.

204431202424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25553900309 (or 25553900305 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 204431202424 its reverse (424202134402), we get a palindrome (628633336826).

The spelling of 204431202424 in words is "two hundred four billion, four hundred thirty-one million, two hundred two thousand, four hundred twenty-four".