20100110120 has 64 divisors (see below), whose sum is σ = 45824486400. Its totient is φ = 7934112000.

The previous prime is 20100110077. The next prime is 20100110141. The reversal of 20100110120 is 2101100102.

It is a super-2 number, since 2×20100110120² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 20100110098 and 20100110107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1085177 + ... + 1103543.

It is an arithmetic number, because the mean of its divisors is an integer number (716007600).

Almost surely, 2^20100110120 is an apocalyptic number.

20100110120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20100110120 is an abundant number, since it is smaller than the sum of its proper divisors (25724376280).

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

20100110120 is a wasteful number, since it uses less digits than its factorization.

20100110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18738 (or 18734 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20100110120 its reverse (2101100102), we get a palindrome (22201210222).

The spelling of 20100110120 in words is "twenty billion, one hundred million, one hundred ten thousand, one hundred twenty".