20322004013 has 2 divisors, whose sum is σ = 20322004014. Its totient is φ = 20322004012.

The previous prime is 20322004009. The next prime is 20322004063. The reversal of 20322004013 is 31040022302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16878426889 + 3443577124 = 129917^2 + 58682^2 .

It is a cyclic number.

It is not a de Polignac number, because 20322004013 - 2² = 20322004009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20322003982 and 20322004000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20322004063) 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, 10161002006 + 10161002007.

It is an arithmetic number, because the mean of its divisors is an integer number (10161002007).

Almost surely, 2^20322004013 is an apocalyptic number.

It is an amenable number.

20322004013 is a deficient number, since it is larger than the sum of its proper divisors (1).

20322004013 is an equidigital number, since it uses as much as digits as its factorization.

20322004013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20322004013 its reverse (31040022302), we get a palindrome (51362026315).

The spelling of 20322004013 in words is "twenty billion, three hundred twenty-two million, four thousand, thirteen".