20323202100 has 36 divisors (see below), whose sum is σ = 58801798944. Its totient is φ = 5419520480.

The previous prime is 20323202089. The next prime is 20323202111. The reversal of 20323202100 is 120232302.

It is an interprime number because it is at equal distance from previous prime (20323202089) and next prime (20323202111).

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 20323202100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33871704 + ... + 33872303.

It is an arithmetic number, because the mean of its divisors is an integer number (1633383304).

Almost surely, 2^20323202100 is an apocalyptic number.

20323202100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20323202100 is an abundant number, since it is smaller than the sum of its proper divisors (38478596844).

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

20323202100 is a wasteful number, since it uses less digits than its factorization.

20323202100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67744024 (or 67744017 counting only the distinct ones).

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

Adding to 20323202100 its reverse (120232302), we get a palindrome (20443434402).

The spelling of 20323202100 in words is "twenty billion, three hundred twenty-three million, two hundred two thousand, one hundred".