20013100133 has 16 divisors (see below), whose sum is σ = 22122797760. Its totient is φ = 17990720256.

The previous prime is 20013100109. The next prime is 20013100171. The reversal of 20013100133 is 33100131002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20013100133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013100333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39860 + ... + 203997.

It is an arithmetic number, because the mean of its divisors is an integer number (1382674860).

Almost surely, 2^20013100133 is an apocalyptic number.

It is an amenable number.

20013100133 is a deficient number, since it is larger than the sum of its proper divisors (2109697627).

20013100133 is a wasteful number, since it uses less digits than its factorization.

20013100133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244036.

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

Adding to 20013100133 its reverse (33100131002), we get a palindrome (53113231135).

The spelling of 20013100133 in words is "twenty billion, thirteen million, one hundred thousand, one hundred thirty-three".