204023113504 has 48 divisors (see below), whose sum is σ = 474881400000. Its totient is φ = 84423354624.

The previous prime is 204023113493. The next prime is 204023113517. The reversal of 204023113504 is 405311320402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15697254 + ... + 15710245.

It is an arithmetic number, because the mean of its divisors is an integer number (9893362500).

Almost surely, 2^204023113504 is an apocalyptic number.

It is an amenable number.

204023113504 is an abundant number, since it is smaller than the sum of its proper divisors (270858286496).

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

204023113504 is a wasteful number, since it uses less digits than its factorization.

204023113504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31407545 (or 31407537 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 204023113504 its reverse (405311320402), we get a palindrome (609334433906).

The spelling of 204023113504 in words is "two hundred four billion, twenty-three million, one hundred thirteen thousand, five hundred four".