204321433024 has 56 divisors (see below), whose sum is σ = 426540625200. Its totient is φ = 96966051840.

The previous prime is 204321432911. The next prime is 204321433031. The reversal of 204321433024 is 420334123402.

It is a junction number, because it is equal to n+sod(n) for n = 204321432983 and 204321433001.

It is a congruent number.

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, 823437 + ... + 1042444.

Almost surely, 2^204321433024 is an apocalyptic number.

It is an amenable number.

204321433024 is an abundant number, since it is smaller than the sum of its proper divisors (222219192176).

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

204321433024 is a wasteful number, since it uses less digits than its factorization.

204321433024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865981 (or 1865971 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 204321433024 its reverse (420334123402), we get a palindrome (624655556426).

The spelling of 204321433024 in words is "two hundred four billion, three hundred twenty-one million, four hundred thirty-three thousand, twenty-four".