220023112031220 has 96 divisors (see below), whose sum is σ = 616345622032896. Its totient is φ = 58646081894400.

The previous prime is 220023112031141. The next prime is 220023112031237. The reversal of 220023112031220 is 22130211320022.

It is a super-2 number, since 2×220023112031220² (a number of 29 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 31 ways as a sum of consecutive naturals, for example, 1452500085 + ... + 1452651555.

It is an arithmetic number, because the mean of its divisors is an integer number (6420266896176).

Almost surely, 2^{220023112031220} is an apocalyptic number.

220023112031220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220023112031220 is an abundant number, since it is smaller than the sum of its proper divisors (396322510001676).

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

220023112031220 is a wasteful number, since it uses less digits than its factorization.

220023112031220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162361 (or 162359 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 220023112031220 its reverse (22130211320022), we get a palindrome (242153323351242).

The spelling of 220023112031220 in words is "two hundred twenty trillion, twenty-three billion, one hundred twelve million, thirty-one thousand, two hundred twenty".