204090880198 has 16 divisors (see below), whose sum is σ = 326510363664. Its totient is φ = 95341722880.

The previous prime is 204090880159. The next prime is 204090880223. The reversal of 204090880198 is 891088090402.

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, 21902908 + ... + 21912223.

It is an arithmetic number, because the mean of its divisors is an integer number (20406897729).

Almost surely, 2^204090880198 is an apocalyptic number.

204090880198 is a deficient number, since it is larger than the sum of its proper divisors (122419483466).

204090880198 is a wasteful number, since it uses less digits than its factorization.

204090880198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43815287.

The product of its (nonzero) digits is 331776, while the sum is 49.

The spelling of 204090880198 in words is "two hundred four billion, ninety million, eight hundred eighty thousand, one hundred ninety-eight".