20321013133301 has 16 divisors (see below), whose sum is σ = 20666681057280. Its totient is φ = 19975753336320.

The previous prime is 20321013133283. The next prime is 20321013133321. The reversal of 20321013133301 is 10333131012302.

It is a cyclic number.

It is not a de Polignac number, because 20321013133301 - 2²⁶ = 20320946024437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20321013133321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 891926156 + ... + 891948938.

It is an arithmetic number, because the mean of its divisors is an integer number (1291667566080).

Almost surely, 2^{20321013133301} is an apocalyptic number.

It is an amenable number.

20321013133301 is a deficient number, since it is larger than the sum of its proper divisors (345667923979).

20321013133301 is a wasteful number, since it uses less digits than its factorization.

20321013133301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31076.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 20321013133301 its reverse (10333131012302), we get a palindrome (30654144145603).

The spelling of 20321013133301 in words is "twenty trillion, three hundred twenty-one billion, thirteen million, one hundred thirty-three thousand, three hundred one".