20301313133 has 4 divisors (see below), whose sum is σ = 20306929500. Its totient is φ = 20295696768.

The previous prime is 20301313121. The next prime is 20301313157. The reversal of 20301313133 is 33131310302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2169882724 + 18131430409 = 46582^2 + 134653^2 .

It is a cyclic number.

It is not a de Polignac number, because 20301313133 - 2²⁰ = 20300264557 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 (20301313183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2802758 + ... + 2809991.

It is an arithmetic number, because the mean of its divisors is an integer number (5076732375).

Almost surely, 2^20301313133 is an apocalyptic number.

It is an amenable number.

20301313133 is a deficient number, since it is larger than the sum of its proper divisors (5616367).

20301313133 is an equidigital number, since it uses as much as digits as its factorization.

20301313133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5616366.

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

Adding to 20301313133 its reverse (33131310302), we get a palindrome (53432623435).

The spelling of 20301313133 in words is "twenty billion, three hundred one million, three hundred thirteen thousand, one hundred thirty-three".