22020320210100 has 72 divisors (see below), whose sum is σ = 63806795895360. Its totient is φ = 5863360097280.

The previous prime is 22020320210099. The next prime is 22020320210137. The reversal of 22020320210100 is 101202302022.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22020320210100.

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, 54330840 + ... + 54734639.

Almost surely, 2^{22020320210100} is an apocalyptic number.

22020320210100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020320210100 is an abundant number, since it is smaller than the sum of its proper divisors (41786475685260).

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

22020320210100 is a wasteful number, since it uses less digits than its factorization.

22020320210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109066169 (or 109066162 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22020320210100 its reverse (101202302022), we get a palindrome (22121522512122).

The spelling of 22020320210100 in words is "twenty-two trillion, twenty billion, three hundred twenty million, two hundred ten thousand, one hundred".