22112013100020 has 96 divisors (see below), whose sum is σ = 63083654831232. Its totient is φ = 5785113005568.

The previous prime is 22112013100019. The next prime is 22112013100027. The reversal of 22112013100020 is 2000131021122.

It is a super-2 number, since 2×22112013100020² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112013100027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139373259 + ... + 139531821.

It is an arithmetic number, because the mean of its divisors is an integer number (657121404492).

Almost surely, 2^{22112013100020} is an apocalyptic number.

22112013100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22112013100020 is an abundant number, since it is smaller than the sum of its proper divisors (40971641731212).

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

22112013100020 is a wasteful number, since it uses less digits than its factorization.

22112013100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202481 (or 202479 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22112013100020 its reverse (2000131021122), we get a palindrome (24112144121142).

The spelling of 22112013100020 in words is "twenty-two trillion, one hundred twelve billion, thirteen million, one hundred thousand, twenty".