20023022100 has 72 divisors (see below), whose sum is σ = 57984101280. Its totient is φ = 5334788480.

The previous prime is 20023022099. The next prime is 20023022143. The reversal of 20023022100 is 122032002.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 320206 + ... + 377594.

It is an arithmetic number, because the mean of its divisors is an integer number (805334740).

Almost surely, 2^20023022100 is an apocalyptic number.

20023022100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20023022100 is an abundant number, since it is smaller than the sum of its proper divisors (37961079180).

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

20023022100 is a wasteful number, since it uses less digits than its factorization.

20023022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58569 (or 58562 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20023022100 its reverse (122032002), we get a palindrome (20145054102).

The spelling of 20023022100 in words is "twenty billion, twenty-three million, twenty-two thousand, one hundred".