20100110122020 has 48 divisors (see below), whose sum is σ = 56287967803200. Its totient is φ = 5359299893376.

The previous prime is 20100110122019. The next prime is 20100110122033. The reversal of 20100110122020 is 2022101100102.

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 = 20100110121987 and 20100110122005.

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, 22351402 + ... + 23233281.

It is an arithmetic number, because the mean of its divisors is an integer number (1172665995900).

Almost surely, 2^{20100110122020} is an apocalyptic number.

20100110122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20100110122020 is an abundant number, since it is smaller than the sum of its proper divisors (36187857681180).

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

20100110122020 is a wasteful number, since it uses less digits than its factorization.

20100110122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45592044 (or 45592042 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20100110122020 its reverse (2022101100102), we get a palindrome (22122211222122).

The spelling of 20100110122020 in words is "twenty trillion, one hundred billion, one hundred ten million, one hundred twenty-two thousand, twenty".