22013331020 has 48 divisors (see below), whose sum is σ = 47898648000. Its totient is φ = 8488085760.

The previous prime is 22013331017. The next prime is 22013331061. The reversal of 22013331020 is 2013331022.

It is a self number, because there is not a number n which added to its sum of digits gives 22013331020.

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, 335906 + ... + 396054.

It is an arithmetic number, because the mean of its divisors is an integer number (997888500).

Almost surely, 2^22013331020 is an apocalyptic number.

22013331020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22013331020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23949324000).

22013331020 is an abundant number, since it is smaller than the sum of its proper divisors (25885316980).

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

22013331020 is a wasteful number, since it uses less digits than its factorization.

22013331020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60818 (or 60816 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 22013331020 its reverse (2013331022), we get a palindrome (24026662042).

The spelling of 22013331020 in words is "twenty-two billion, thirteen million, three hundred thirty-one thousand, twenty".