22100321232020 has 48 divisors (see below), whose sum is σ = 46429419429120. Its totient is φ = 8836558769664.

The previous prime is 22100321232013. The next prime is 22100321232037. The reversal of 22100321232020 is 2023212300122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22100321231983 and 22100321232001.

It is a congruent number.

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, 680056412 + ... + 680088908.

It is an arithmetic number, because the mean of its divisors is an integer number (967279571440).

Almost surely, 2^{22100321232020} is an apocalyptic number.

22100321232020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100321232020 is an abundant number, since it is smaller than the sum of its proper divisors (24329098197100).

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

22100321232020 is a wasteful number, since it uses less digits than its factorization.

22100321232020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45192 (or 45190 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22100321232020 its reverse (2023212300122), we get a palindrome (24123533532142).

The spelling of 22100321232020 in words is "twenty-two trillion, one hundred billion, three hundred twenty-one million, two hundred thirty-two thousand, twenty".