220131202232 has 16 divisors (see below), whose sum is σ = 412755690600. Its totient is φ = 110063018080.

The previous prime is 220131202229. The next prime is 220131202273. The reversal of 220131202232 is 232202131022.

It is a happy number.

It is a super-2 number, since 2×220131202232² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67007 + ... + 666897.

Almost surely, 2^220131202232 is an apocalyptic number.

It is an amenable number.

220131202232 is a deficient number, since it is larger than the sum of its proper divisors (192624488368).

220131202232 is a wasteful number, since it uses less digits than its factorization.

220131202232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645766 (or 645762 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 220131202232 its reverse (232202131022), we get a palindrome (452333333254).

The spelling of 220131202232 in words is "two hundred twenty billion, one hundred thirty-one million, two hundred two thousand, two hundred thirty-two".