20103133100 has 36 divisors (see below), whose sum is σ = 44113973400. Its totient is φ = 7950898560.

The previous prime is 20103133087. The next prime is 20103133133. The reversal of 20103133100 is 133130102.

It is a super-2 number, since 2×20103133100² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1120490 + ... + 1138289.

It is an arithmetic number, because the mean of its divisors is an integer number (1225388150).

Almost surely, 2^20103133100 is an apocalyptic number.

20103133100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20103133100 is an abundant number, since it is smaller than the sum of its proper divisors (24010840300).

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

20103133100 is a wasteful number, since it uses less digits than its factorization.

20103133100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258882 (or 2258875 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 20103133100 its reverse (133130102), we get a palindrome (20236263202).

The spelling of 20103133100 in words is "twenty billion, one hundred three million, one hundred thirty-three thousand, one hundred".