20203300011100 has 72 divisors (see below), whose sum is σ = 44081533788768. Its totient is φ = 8037111398400.

The previous prime is 20203300011049. The next prime is 20203300011113. The reversal of 20203300011100 is 111000330202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15593784 + ... + 16839616.

It is an arithmetic number, because the mean of its divisors is an integer number (612243524844).

Almost surely, 2^{20203300011100} is an apocalyptic number.

20203300011100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20203300011100 is an abundant number, since it is smaller than the sum of its proper divisors (23878233777668).

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

20203300011100 is a wasteful number, since it uses less digits than its factorization.

20203300011100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246735 (or 1246728 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20203300011100 its reverse (111000330202), we get a palindrome (20314300341302).

The spelling of 20203300011100 in words is "twenty trillion, two hundred three billion, three hundred million, eleven thousand, one hundred".