22020010100 has 72 divisors (see below), whose sum is σ = 54870967200. Its totient is φ = 7585833600.

The previous prime is 22020010079. The next prime is 22020010123. The reversal of 22020010100 is 101002022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 505895 + ... + 547694.

Almost surely, 2^22020010100 is an apocalyptic number.

22020010100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020010100 is an abundant number, since it is smaller than the sum of its proper divisors (32850957100).

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

22020010100 is a wasteful number, since it uses less digits than its factorization.

22020010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053633 (or 1053626 counting only the distinct ones).

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

Adding to 22020010100 its reverse (101002022), we get a palindrome (22121012122).

The spelling of 22020010100 in words is "twenty-two billion, twenty million, ten thousand, one hundred".