204321038560 has 24 divisors (see below), whose sum is σ = 482708453976. Its totient is φ = 81728415360.

The previous prime is 204321038527. The next prime is 204321038561. The reversal of 204321038560 is 65830123402.

204321038560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204321038561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638503086 + ... + 638503405.

It is an arithmetic number, because the mean of its divisors is an integer number (20112852249).

Almost surely, 2^204321038560 is an apocalyptic number.

204321038560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204321038560 is an abundant number, since it is smaller than the sum of its proper divisors (278387415416).

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

204321038560 is a wasteful number, since it uses less digits than its factorization.

204321038560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277006506 (or 1277006498 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 204321038560 in words is "two hundred four billion, three hundred twenty-one million, thirty-eight thousand, five hundred sixty".