220131331332 has 48 divisors (see below), whose sum is σ = 565882196544. Its totient is φ = 66046000000.

The previous prime is 220131331313. The next prime is 220131331333. The reversal of 220131331332 is 233133131022.

220131331332 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (220131331333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8242419 + ... + 8269082.

It is an arithmetic number, because the mean of its divisors is an integer number (11789212428).

Almost surely, 2^220131331332 is an apocalyptic number.

220131331332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220131331332 is an abundant number, since it is smaller than the sum of its proper divisors (345750865212).

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

220131331332 is a wasteful number, since it uses less digits than its factorization.

220131331332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16511620 (or 16511618 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 220131331332 its reverse (233133131022), we get a palindrome (453264462354).

The spelling of 220131331332 in words is "two hundred twenty billion, one hundred thirty-one million, three hundred thirty-one thousand, three hundred thirty-two".