22031133220 has 48 divisors (see below), whose sum is σ = 46858331520. Its totient is φ = 8699672576.

The previous prime is 22031133217. The next prime is 22031133239. The reversal of 22031133220 is 2233113022.

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, 2583684 + ... + 2592196.

It is an arithmetic number, because the mean of its divisors is an integer number (976215240).

Almost surely, 2^22031133220 is an apocalyptic number.

22031133220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22031133220 is an abundant number, since it is smaller than the sum of its proper divisors (24827198300).

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

22031133220 is a wasteful number, since it uses less digits than its factorization.

22031133220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10164 (or 10162 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22031133220 its reverse (2233113022), we get a palindrome (24264246242).

The spelling of 22031133220 in words is "twenty-two billion, thirty-one million, one hundred thirty-three thousand, two hundred twenty".