20052321313 has 2 divisors, whose sum is σ = 20052321314. Its totient is φ = 20052321312.

The previous prime is 20052321307. The next prime is 20052321343. The reversal of 20052321313 is 31312325002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16100564544 + 3951756769 = 126888^2 + 62863^2 .

It is a cyclic number.

It is not a de Polignac number, because 20052321313 - 2⁵ = 20052321281 is a prime.

It is not a weakly prime, because it can be changed into another prime (20052321343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10026160656 + 10026160657.

It is an arithmetic number, because the mean of its divisors is an integer number (10026160657).

Almost surely, 2^20052321313 is an apocalyptic number.

It is an amenable number.

20052321313 is a deficient number, since it is larger than the sum of its proper divisors (1).

20052321313 is an equidigital number, since it uses as much as digits as its factorization.

20052321313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 20052321313 its reverse (31312325002), we get a palindrome (51364646315).

The spelling of 20052321313 in words is "twenty billion, fifty-two million, three hundred twenty-one thousand, three hundred thirteen".