220031133112 has 64 divisors (see below), whose sum is σ = 481337208000. Its totient is φ = 94256023680.

The previous prime is 220031133071. The next prime is 220031133173. The reversal of 220031133112 is 211331130022.

220031133112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 220031133112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6406578 + ... + 6440830.

It is an arithmetic number, because the mean of its divisors is an integer number (7520893875).

Almost surely, 2^220031133112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220031133112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240668604000).

220031133112 is an abundant number, since it is smaller than the sum of its proper divisors (261306074888).

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

220031133112 is a wasteful number, since it uses less digits than its factorization.

220031133112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36621 (or 36603 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 220031133112 its reverse (211331130022), we get a palindrome (431362263134).

The spelling of 220031133112 in words is "two hundred twenty billion, thirty-one million, one hundred thirty-three thousand, one hundred twelve".