204022132431 has 64 divisors (see below), whose sum is σ = 311256981504. Its totient is φ = 117920880000.

The previous prime is 204022132417. The next prime is 204022132451. The reversal of 204022132431 is 134231220402.

It is a happy number.

It is not a de Polignac number, because 204022132431 - 2¹¹ = 204022130383 is a prime.

It is a super-2 number, since 2×204022132431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204022132451) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15979056 + ... + 15991818.

It is an arithmetic number, because the mean of its divisors is an integer number (4863390336).

Almost surely, 2^204022132431 is an apocalyptic number.

204022132431 is a deficient number, since it is larger than the sum of its proper divisors (107234849073).

204022132431 is a wasteful number, since it uses less digits than its factorization.

204022132431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13124.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 204022132431 its reverse (134231220402), we get a palindrome (338253352833).

The spelling of 204022132431 in words is "two hundred four billion, twenty-two million, one hundred thirty-two thousand, four hundred thirty-one".