22100000010020 has 24 divisors (see below), whose sum is σ = 46410398911800. Its totient is φ = 8839924024832.

The previous prime is 22100000009993. The next prime is 22100000010031. The reversal of 22100000010020 is 2001000000122.

It can be written as a sum of positive squares in 4 ways, for example, as 3315334489636 + 18784665520384 = 1820806^2 + 4334128^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2333615 + ... + 7045974.

It is an arithmetic number, because the mean of its divisors is an integer number (1933766621325).

Almost surely, 2^{22100000010020} is an apocalyptic number.

22100000010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100000010020 is an abundant number, since it is smaller than the sum of its proper divisors (24310398901780).

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

22100000010020 is a wasteful number, since it uses less digits than its factorization.

22100000010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9497407 (or 9497405 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 22100000010020 its reverse (2001000000122), we get a palindrome (24101000010142).

The spelling of 22100000010020 in words is "twenty-two trillion, one hundred billion, ten thousand, twenty".