100113310020 has 96 divisors (see below), whose sum is σ = 299226977280. Its totient is φ = 24935541120.

The previous prime is 100113309997. The next prime is 100113310021. The reversal of 100113310020 is 20013311001.

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

It is a junction number, because it is equal to n+sod(n) for n = 100113309978 and 100113310005.

It is not an unprimeable number, because it can be changed into a prime (100113310021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 537502 + ... + 699381.

It is an arithmetic number, because the mean of its divisors is an integer number (3116947680).

Almost surely, 2^100113310020 is an apocalyptic number.

100113310020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100113310020 is an abundant number, since it is smaller than the sum of its proper divisors (199113667260).

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

100113310020 is a wasteful number, since it uses less digits than its factorization.

100113310020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236985 (or 1236983 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 100113310020 its reverse (20013311001), we get a palindrome (120126621021).

The spelling of 100113310020 in words is "one hundred billion, one hundred thirteen million, three hundred ten thousand, twenty".