220131210312432 has 60 divisors (see below), whose sum is σ = 635934607582144. Its totient is φ = 71010067841280.

The previous prime is 220131210312389. The next prime is 220131210312451. The reversal of 220131210312432 is 234213012131022.

220131210312432 is a `hidden beast` number, since 2 + 2 + 0 + 1 + 3 + 1 + 210 + 3 + 12 + 432 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 220131210312396 and 220131210312405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24656269093 + ... + 24656278020.

Almost surely, 2^{220131210312432} is an apocalyptic number.

It is an amenable number.

220131210312432 is an abundant number, since it is smaller than the sum of its proper divisors (415803397269712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220131210312432 is a wasteful number, since it uses less digits than its factorization.

220131210312432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49312547158 (or 49312547149 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 220131210312432 its reverse (234213012131022), we get a palindrome (454344222443454).

The spelling of 220131210312432 in words is "two hundred twenty trillion, one hundred thirty-one billion, two hundred ten million, three hundred twelve thousand, four hundred thirty-two".