100110000020 has 12 divisors (see below), whose sum is σ = 210231000084. Its totient is φ = 40044000000.

The previous prime is 100110000007. The next prime is 100110000097. The reversal of 100110000020 is 20000011001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44226931204 + 55883068816 = 210302^2 + 236396^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a junction number, because it is equal to n+sod(n) for n = 100109999959 and 100110000013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2502749981 + ... + 2502750020.

It is an arithmetic number, because the mean of its divisors is an integer number (17519250007).

Almost surely, 2^100110000020 is an apocalyptic number.

100110000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100110000020 is an abundant number, since it is smaller than the sum of its proper divisors (110121000064).

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

100110000020 is a wasteful number, since it uses less digits than its factorization.

100110000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005500010 (or 5005500008 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 100110000020 its reverse (20000011001), we get a palindrome (120110011021).

The spelling of 100110000020 in words is "one hundred billion, one hundred ten million, twenty", and thus it is an aban number.