20321033230313 has 8 divisors (see below), whose sum is σ = 20349453448200. Its totient is φ = 20292627091968.

The previous prime is 20321033230297. The next prime is 20321033230339. The reversal of 20321033230313 is 31303233012302.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2677647867904 + 17643385362409 = 1636352^2 + 4200403^2 .

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 20321033230313 - 2⁴ = 20321033230297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20321033233313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629606 + ... + 6406127.

It is an arithmetic number, because the mean of its divisors is an integer number (2543681681025).

Almost surely, 2^{20321033230313} is an apocalyptic number.

It is an amenable number.

20321033230313 is a deficient number, since it is larger than the sum of its proper divisors (28420217887).

20321033230313 is an equidigital number, since it uses as much as digits as its factorization.

20321033230313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7039771.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 20321033230313 its reverse (31303233012302), we get a palindrome (51624266242615).

The spelling of 20321033230313 in words is "twenty trillion, three hundred twenty-one billion, thirty-three million, two hundred thirty thousand, three hundred thirteen".