20100320102000 has 80 divisors (see below), whose sum is σ = 48609259046400. Its totient is φ = 8039022163200.

The previous prime is 20100320101997. The next prime is 20100320102039. The reversal of 20100320102000 is 20102300102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 13930481 + ... + 15305519.

It is an arithmetic number, because the mean of its divisors is an integer number (607615738080).

Almost surely, 2^{20100320102000} is an apocalyptic number.

20100320102000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20100320102000 is an abundant number, since it is smaller than the sum of its proper divisors (28508938944400).

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

20100320102000 is a wasteful number, since it uses less digits than its factorization.

20100320102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382371 (or 1382355 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20100320102000 its reverse (20102300102), we get a palindrome (20120422402102).

The spelling of 20100320102000 in words is "twenty trillion, one hundred billion, three hundred twenty million, one hundred two thousand".