204022131761 has 16 divisors (see below), whose sum is σ = 234001119744. Its totient is φ = 174251810304.

The previous prime is 204022131751. The next prime is 204022131769. The reversal of 204022131761 is 167131220402.

It is a cyclic number.

It is not a de Polignac number, because 204022131761 - 2¹⁰ = 204022130737 is a prime.

It is a super-2 number, since 2×204022131761² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204022131769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6331256 + ... + 6363398.

It is an arithmetic number, because the mean of its divisors is an integer number (14625069984).

Almost surely, 2^204022131761 is an apocalyptic number.

It is an amenable number.

204022131761 is a deficient number, since it is larger than the sum of its proper divisors (29978987983).

204022131761 is a wasteful number, since it uses less digits than its factorization.

204022131761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35360.

The product of its (nonzero) digits is 4032, while the sum is 29.

The spelling of 204022131761 in words is "two hundred four billion, twenty-two million, one hundred thirty-one thousand, seven hundred sixty-one".