3231122120220 has 48 divisors (see below), whose sum is σ = 9071013087360. Its totient is φ = 859359122496.

The previous prime is 3231122120201. The next prime is 3231122120249. The reversal of 3231122120220 is 220212211323.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71022162 + ... + 71067641.

It is an arithmetic number, because the mean of its divisors is an integer number (188979439320).

Almost surely, 2^{3231122120220} is an apocalyptic number.

3231122120220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3231122120220 is an abundant number, since it is smaller than the sum of its proper divisors (5839890967140).

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

3231122120220 is a wasteful number, since it uses less digits than its factorization.

3231122120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142090194 (or 142090192 counting only the distinct ones).

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

Adding to 3231122120220 its reverse (220212211323), we get a palindrome (3451334331543).

The spelling of 3231122120220 in words is "three trillion, two hundred thirty-one billion, one hundred twenty-two million, one hundred twenty thousand, two hundred twenty".