204022399988 has 96 divisors (see below), whose sum is σ = 431091158400. Its totient is φ = 83435788800.

The previous prime is 204022399979. The next prime is 204022399993. The reversal of 204022399988 is 889993220402.

It is a super-3 number, since 3×204022399988³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1409906 + ... + 1547862.

It is an arithmetic number, because the mean of its divisors is an integer number (4490532900).

Almost surely, 2^204022399988 is an apocalyptic number.

It is an amenable number.

204022399988 is an abundant number, since it is smaller than the sum of its proper divisors (227068758412).

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

204022399988 is a wasteful number, since it uses less digits than its factorization.

204022399988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138081 (or 138079 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 56.

The spelling of 204022399988 in words is "two hundred four billion, twenty-two million, three hundred ninety-nine thousand, nine hundred eighty-eight".