100323312220 has 48 divisors (see below), whose sum is σ = 221973373440. Its totient is φ = 38011887936.

The previous prime is 100323312191. The next prime is 100323312233. The reversal of 100323312220 is 22213323001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1011330 + ... + 1106089.

It is an arithmetic number, because the mean of its divisors is an integer number (4624445280).

Almost surely, 2^100323312220 is an apocalyptic number.

100323312220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100323312220 is an abundant number, since it is smaller than the sum of its proper divisors (121650061220).

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

100323312220 is a wasteful number, since it uses less digits than its factorization.

100323312220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117554 (or 2117552 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 100323312220 its reverse (22213323001), we get a palindrome (122536635221).

The spelling of 100323312220 in words is "one hundred billion, three hundred twenty-three million, three hundred twelve thousand, two hundred twenty".