204431204424 has 32 divisors (see below), whose sum is σ = 511093800000. Its totient is φ = 68141629632.

The previous prime is 204431204381. The next prime is 204431204447. The reversal of 204431204424 is 424402134402.

It is a junction number, because it is equal to n+sod(n) for n = 204431204391 and 204431204400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 794502 + ... + 1019850.

It is an arithmetic number, because the mean of its divisors is an integer number (15971681250).

Almost surely, 2^204431204424 is an apocalyptic number.

204431204424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

204431204424 is an abundant number, since it is smaller than the sum of its proper divisors (306662595576).

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

204431204424 is a wasteful number, since it uses less digits than its factorization.

204431204424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263157 (or 263153 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 204431204424 its reverse (424402134402), we get a palindrome (628833338826).

The spelling of 204431204424 in words is "two hundred four billion, four hundred thirty-one million, two hundred four thousand, four hundred twenty-four".