204081918022 has 16 divisors (see below), whose sum is σ = 320687438400. Its totient is φ = 97275185280.

The previous prime is 204081917999. The next prime is 204081918023. The reversal of 204081918022 is 220819180402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204081918023) 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, 22265379 + ... + 22274542.

It is an arithmetic number, because the mean of its divisors is an integer number (20042964900).

Almost surely, 2^204081918022 is an apocalyptic number.

204081918022 is a deficient number, since it is larger than the sum of its proper divisors (116605520378).

204081918022 is a wasteful number, since it uses less digits than its factorization.

204081918022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44540031.

The product of its (nonzero) digits is 18432, while the sum is 37.

The spelling of 204081918022 in words is "two hundred four billion, eighty-one million, nine hundred eighteen thousand, twenty-two".