220231012032 has 42 divisors (see below), whose sum is σ = 631252433708. Its totient is φ = 73410337152.

The previous prime is 220231011937. The next prime is 220231012033. The reversal of 220231012032 is 230210132022.

220231012032 is a `hidden beast` number, since 2 + 202 + 310 + 120 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 220231011996 and 220231012014.

It is not an unprimeable number, because it can be changed into a prime (220231012033) 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 5 ways as a sum of consecutive naturals, for example, 191172178 + ... + 191173329.

Almost surely, 2^220231012032 is an apocalyptic number.

It is an amenable number.

220231012032 is an abundant number, since it is smaller than the sum of its proper divisors (411021421676).

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

220231012032 is a wasteful number, since it uses less digits than its factorization.

220231012032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382345525 (or 382345512 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 220231012032 its reverse (230210132022), we get a palindrome (450441144054).

The spelling of 220231012032 in words is "two hundred twenty billion, two hundred thirty-one million, twelve thousand, thirty-two".