22100200000020 has 144 divisors (see below), whose sum is σ = 69202404311040. Its totient is φ = 5703059980800.

The previous prime is 22100200000009. The next prime is 22100200000097. The reversal of 22100200000020 is 2000000200122.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 22100199999948 and 22100200000011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 188495176 + ... + 188612384.

It is an arithmetic number, because the mean of its divisors is an integer number (480572252160).

Almost surely, 2^{22100200000020} is an apocalyptic number.

22100200000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100200000020 is an abundant number, since it is smaller than the sum of its proper divisors (47102204311020).

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

22100200000020 is a wasteful number, since it uses less digits than its factorization.

22100200000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151046 (or 151041 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 22100200000020 its reverse (2000000200122), we get a palindrome (24100200200142).

The spelling of 22100200000020 in words is "twenty-two trillion, one hundred billion, two hundred million, twenty", and thus it is an aban number.