20001102133 has 16 divisors (see below), whose sum is σ = 21367618560. Its totient is φ = 18680256000.

The previous prime is 20001102091. The next prime is 20001102161. The reversal of 20001102133 is 33120110002.

It is a cyclic number.

It is not a de Polignac number, because 20001102133 - 2³³ = 11411167541 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 (20001102833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3248608 + ... + 3254758.

It is an arithmetic number, because the mean of its divisors is an integer number (1335476160).

Almost surely, 2^20001102133 is an apocalyptic number.

It is an amenable number.

20001102133 is a deficient number, since it is larger than the sum of its proper divisors (1366516427).

20001102133 is a wasteful number, since it uses less digits than its factorization.

20001102133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9828.

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

Adding to 20001102133 its reverse (33120110002), we get a palindrome (53121212135).

The spelling of 20001102133 in words is "twenty billion, one million, one hundred two thousand, one hundred thirty-three".