204481213772120 has 32 divisors (see below), whose sum is σ = 460083524098320. Its totient is φ = 81792344511360.

The previous prime is 204481213772093. The next prime is 204481213772123. The reversal of 204481213772120 is 21277312184402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204481213772123) 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, 20879234 + ... + 29067246.

Almost surely, 2^{204481213772120} is an apocalyptic number.

204481213772120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204481213772120 is an abundant number, since it is smaller than the sum of its proper divisors (255602310326200).

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

204481213772120 is a wasteful number, since it uses less digits than its factorization.

204481213772120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8812355 (or 8812351 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 44.

The spelling of 204481213772120 in words is "two hundred four trillion, four hundred eighty-one billion, two hundred thirteen million, seven hundred seventy-two thousand, one hundred twenty".