20100003102120 has 64 divisors (see below), whose sum is σ = 61322043384000. Its totient is φ = 5269153353728.

The previous prime is 20100003102089. The next prime is 20100003102139. The reversal of 20100003102120 is 2120130000102.

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 = 20100003102096 and 20100003102105.

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, 1419484665 + ... + 1419498824.

It is an arithmetic number, because the mean of its divisors is an integer number (958156927875).

Almost surely, 2^{20100003102120} is an apocalyptic number.

20100003102120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20100003102120 is an abundant number, since it is smaller than the sum of its proper divisors (41222040281880).

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

20100003102120 is a wasteful number, since it uses less digits than its factorization.

20100003102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2838983562 (or 2838983558 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20100003102120 its reverse (2120130000102), we get a palindrome (22220133102222).

The spelling of 20100003102120 in words is "twenty trillion, one hundred billion, three million, one hundred two thousand, one hundred twenty".