220231122032 has 20 divisors (see below), whose sum is σ = 426705206976. Its totient is φ = 110113649280.

The previous prime is 220231121989. The next prime is 220231122047. The reversal of 220231122032 is 230221132022.

It is a happy number.

It is a super-2 number, since 2×220231122032² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220231121995 and 220231122013.

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, 1478657 + ... + 1620767.

Almost surely, 2^220231122032 is an apocalyptic number.

It is an amenable number.

220231122032 is a deficient number, since it is larger than the sum of its proper divisors (206474084944).

220231122032 is a wasteful number, since it uses less digits than its factorization.

220231122032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238976 (or 238970 counting only the distinct ones).

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

Adding to 220231122032 its reverse (230221132022), we get a palindrome (450452254054).

The spelling of 220231122032 in words is "two hundred twenty billion, two hundred thirty-one million, one hundred twenty-two thousand, thirty-two".