20220320313 has 24 divisors (see below), whose sum is σ = 29336116680. Its totient is φ = 13420753920.

The previous prime is 20220320249. The next prime is 20220320357. The reversal of 20220320313 is 31302302202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2067339024 + 18152981289 = 45468^2 + 134733^2 .

It is not a de Polignac number, because 20220320313 - 2⁶ = 20220320249 is a prime.

It is a super-2 number, since 2×20220320313² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20220320713) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6276043 + ... + 6279263.

It is an arithmetic number, because the mean of its divisors is an integer number (1222338195).

Almost surely, 2^20220320313 is an apocalyptic number.

It is an amenable number.

20220320313 is a deficient number, since it is larger than the sum of its proper divisors (9115796367).

20220320313 is a wasteful number, since it uses less digits than its factorization.

20220320313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6089 (or 6086 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20220320313 its reverse (31302302202), we get a palindrome (51522622515).

The spelling of 20220320313 in words is "twenty billion, two hundred twenty million, three hundred twenty thousand, three hundred thirteen".