20331133013 has 8 divisors (see below), whose sum is σ = 20841409176. Its totient is φ = 19821542400.

The previous prime is 20331132967. The next prime is 20331133099. The reversal of 20331133013 is 31033113302.

It can be written as a sum of positive squares in 4 ways, for example, as 10291493809 + 10039639204 = 101447^2 + 100198^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20331133013 - 2²⁶ = 20264024149 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 (20331133813) 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 7 ways as a sum of consecutive naturals, for example, 111068 + ... + 230213.

It is an arithmetic number, because the mean of its divisors is an integer number (2605176147).

Almost surely, 2^20331133013 is an apocalyptic number.

It is an amenable number.

20331133013 is a deficient number, since it is larger than the sum of its proper divisors (510276163).

20331133013 is a wasteful number, since it uses less digits than its factorization.

20331133013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342775.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 20331133013 its reverse (31033113302), we get a palindrome (51364246315).

The spelling of 20331133013 in words is "twenty billion, three hundred thirty-one million, one hundred thirty-three thousand, thirteen".