204381113772 has 24 divisors (see below), whose sum is σ = 520242835392. Its totient is φ = 61933670800.

The previous prime is 204381113747. The next prime is 204381113791. The reversal of 204381113772 is 277311183402.

204381113772 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 204381113772.

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, 774170754 + ... + 774171017.

It is an arithmetic number, because the mean of its divisors is an integer number (21676784808).

Almost surely, 2^204381113772 is an apocalyptic number.

204381113772 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

204381113772 is an abundant number, since it is smaller than the sum of its proper divisors (315861721620).

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

204381113772 is a wasteful number, since it uses less digits than its factorization.

204381113772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548341789 (or 1548341787 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 204381113772 in words is "two hundred four billion, three hundred eighty-one million, one hundred thirteen thousand, seven hundred seventy-two".