204813813233920 has 72 divisors (see below), whose sum is σ = 535192458595200. Its totient is φ = 74477750261760.

The previous prime is 204813813233873. The next prime is 204813813233929. The reversal of 204813813233920 is 29332318318402.

It is not an unprimeable number, because it can be changed into a prime (204813813233929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7273203720 + ... + 7273231879.

It is an arithmetic number, because the mean of its divisors is an integer number (7433228591600).

Almost surely, 2^{204813813233920} is an apocalyptic number.

204813813233920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204813813233920 is an abundant number, since it is smaller than the sum of its proper divisors (330378645361280).

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

204813813233920 is a wasteful number, since it uses less digits than its factorization.

204813813233920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14546435631 (or 14546435617 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 49.

The spelling of 204813813233920 in words is "two hundred four trillion, eight hundred thirteen billion, eight hundred thirteen million, two hundred thirty-three thousand, nine hundred twenty".