22100332020 has 48 divisors (see below), whose sum is σ = 66641003520. Its totient is φ = 5440081536.

The previous prime is 22100332003. The next prime is 22100332091. The reversal of 22100332020 is 2023300122.

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

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, 14166100 + ... + 14167659.

It is an arithmetic number, because the mean of its divisors is an integer number (1388354240).

Almost surely, 2^22100332020 is an apocalyptic number.

22100332020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100332020 is an abundant number, since it is smaller than the sum of its proper divisors (44540671500).

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

22100332020 is a wasteful number, since it uses less digits than its factorization.

22100332020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28333784 (or 28333782 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 22100332020 its reverse (2023300122), we get a palindrome (24123632142).

The spelling of 22100332020 in words is "twenty-two billion, one hundred million, three hundred thirty-two thousand, twenty".