20333002113 has 6 divisors (see below), whose sum is σ = 29369891954. Its totient is φ = 13555334736.

The previous prime is 20333002091. The next prime is 20333002127. The reversal of 20333002113 is 31120033302.

It can be written as a sum of positive squares in only one way, i.e., 11183697009 + 9149305104 = 105753^2 + 95652^2 .

It is not a de Polignac number, because 20333002113 - 2²⁸ = 20064566657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20333002013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1129611220 + ... + 1129611237.

Almost surely, 2^20333002113 is an apocalyptic number.

It is an amenable number.

20333002113 is a deficient number, since it is larger than the sum of its proper divisors (9036889841).

20333002113 is a wasteful number, since it uses less digits than its factorization.

20333002113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259222463 (or 2259222460 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20333002113 its reverse (31120033302), we get a palindrome (51453035415).

The spelling of 20333002113 in words is "twenty billion, three hundred thirty-three million, two thousand, one hundred thirteen".