100023332220 has 96 divisors (see below), whose sum is σ = 355638528000. Its totient is φ = 22862475072.

The previous prime is 100023332183. The next prime is 100023332237. The reversal of 100023332220 is 22233320001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 100023332193 and 100023332202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13226820 + ... + 13234379.

It is an arithmetic number, because the mean of its divisors is an integer number (3704568000).

Almost surely, 2^100023332220 is an apocalyptic number.

100023332220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100023332220 is an abundant number, since it is smaller than the sum of its proper divisors (255615195780).

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

100023332220 is a wasteful number, since it uses less digits than its factorization.

100023332220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26461224 (or 26461216 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 100023332220 its reverse (22233320001), we get a palindrome (122256652221).

The spelling of 100023332220 in words is "one hundred billion, twenty-three million, three hundred thirty-two thousand, two hundred twenty".