2020320317 has 2 divisors, whose sum is σ = 2020320318. Its totient is φ = 2020320316.

The previous prime is 2020320221. The next prime is 2020320319. The reversal of 2020320317 is 7130230202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1323940996 + 696379321 = 36386^2 + 26389^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020320317 - 2¹⁰ = 2020319293 is a prime.

Together with 2020320319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020320319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010160158 + 1010160159.

It is an arithmetic number, because the mean of its divisors is an integer number (1010160159).

Almost surely, 2^2020320317 is an apocalyptic number.

It is an amenable number.

2020320317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020320317 is an equidigital number, since it uses as much as digits as its factorization.

2020320317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 2020320317 is about 44947.9734470866. The cubic root of 2020320317 is about 1264.1736789751.

Adding to 2020320317 its reverse (7130230202), we get a palindrome (9150550519).

The spelling of 2020320317 in words is "two billion, twenty million, three hundred twenty thousand, three hundred seventeen".