20002012133 has 16 divisors (see below), whose sum is σ = 21475964160. Its totient is φ = 18561753600.

The previous prime is 20002012111. The next prime is 20002012171. The reversal of 20002012133 is 33121020002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20002012133 - 2⁸ = 20002011877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002012183) 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, 1012238 + ... + 1031808.

It is an arithmetic number, because the mean of its divisors is an integer number (1342247760).

Almost surely, 2^20002012133 is an apocalyptic number.

It is an amenable number.

20002012133 is a deficient number, since it is larger than the sum of its proper divisors (1473952027).

20002012133 is a wasteful number, since it uses less digits than its factorization.

20002012133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20428.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20002012133 its reverse (33121020002), we get a palindrome (53123032135).

The spelling of 20002012133 in words is "twenty billion, two million, twelve thousand, one hundred thirty-three".