20320113333 has 24 divisors (see below), whose sum is σ = 29419899840. Its totient is φ = 12469741440.

The previous prime is 20320113329. The next prime is 20320113353. The reversal of 20320113333 is 33331102302.

It is not a de Polignac number, because 20320113333 - 2² = 20320113329 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320113323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126193 + ... + 237833.

It is an arithmetic number, because the mean of its divisors is an integer number (1225829160).

Almost surely, 2^20320113333 is an apocalyptic number.

It is an amenable number.

20320113333 is a deficient number, since it is larger than the sum of its proper divisors (9099786507).

20320113333 is a wasteful number, since it uses less digits than its factorization.

20320113333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112029 (or 112016 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 20320113333 its reverse (33331102302), we get a palindrome (53651215635).

The spelling of 20320113333 in words is "twenty billion, three hundred twenty million, one hundred thirteen thousand, three hundred thirty-three".