204099220992 has 80 divisors (see below), whose sum is σ = 543837995712. Its totient is φ = 68019947520.

The previous prime is 204099220987. The next prime is 204099221069. The reversal of 204099220992 is 299022990402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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, 11066883 + ... + 11085309.

Almost surely, 2^204099220992 is an apocalyptic number.

It is an amenable number.

204099220992 is an abundant number, since it is smaller than the sum of its proper divisors (339738774720).

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

204099220992 is an equidigital number, since it uses as much as digits as its factorization.

204099220992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25659 (or 25643 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 48.

The spelling of 204099220992 in words is "two hundred four billion, ninety-nine million, two hundred twenty thousand, nine hundred ninety-two".