20133313100 has 18 divisors (see below), whose sum is σ = 43689289644. Its totient is φ = 8053325200.

The previous prime is 20133313073. The next prime is 20133313111. The reversal of 20133313100 is 131333102.

It is a super-2 number, since 2×20133313100² (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 5 ways as a sum of consecutive naturals, for example, 100666466 + ... + 100666665.

It is an arithmetic number, because the mean of its divisors is an integer number (2427182758).

Almost surely, 2^20133313100 is an apocalyptic number.

20133313100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20133313100 is an abundant number, since it is smaller than the sum of its proper divisors (23555976544).

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

20133313100 is a wasteful number, since it uses less digits than its factorization.

20133313100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201333145 (or 201333138 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 20133313100 its reverse (131333102), we get a palindrome (20264646202).

The spelling of 20133313100 in words is "twenty billion, one hundred thirty-three million, three hundred thirteen thousand, one hundred".