20203130103100 has 72 divisors (see below), whose sum is σ = 50190598603040. Its totient is φ = 6914782494720.

The previous prime is 20203130103049. The next prime is 20203130103181. The reversal of 20203130103100 is 130103130202.

It is a super-2 number, since 2×20203130103100² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24606165 + ... + 25413964.

Almost surely, 2^{20203130103100} is an apocalyptic number.

20203130103100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20203130103100 is an abundant number, since it is smaller than the sum of its proper divisors (29987468499940).

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

20203130103100 is a wasteful number, since it uses less digits than its factorization.

20203130103100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50020727 (or 50020720 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20203130103100 its reverse (130103130202), we get a palindrome (20333233233302).

The spelling of 20203130103100 in words is "twenty trillion, two hundred three billion, one hundred thirty million, one hundred three thousand, one hundred".