100110200020 has 24 divisors (see below), whose sum is σ = 213677839368. Its totient is φ = 39387619200.

The previous prime is 100110199991. The next prime is 100110200033. The reversal of 100110200020 is 20002011001.

It can be written as a sum of positive squares in 4 ways, for example, as 14075924164 + 86034275856 = 118642^2 + 293316^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100110199976 and 100110200012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41027551 + ... + 41029990.

It is an arithmetic number, because the mean of its divisors is an integer number (8903243307).

Almost surely, 2^100110200020 is an apocalyptic number.

100110200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100110200020 is an abundant number, since it is smaller than the sum of its proper divisors (113567639348).

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

100110200020 is a wasteful number, since it uses less digits than its factorization.

100110200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82057611 (or 82057609 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 100110200020 its reverse (20002011001), we get a palindrome (120112211021).

The spelling of 100110200020 in words is "one hundred billion, one hundred ten million, two hundred thousand, twenty".