20332101313 has 2 divisors, whose sum is σ = 20332101314. Its totient is φ = 20332101312.

The previous prime is 20332101311. The next prime is 20332101331. The reversal of 20332101313 is 31310123302.

Together with next prime (20332101331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19446860304 + 885241009 = 139452^2 + 29753^2 .

It is a cyclic number.

It is not a de Polignac number, because 20332101313 - 2¹ = 20332101311 is a prime.

Together with 20332101311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20332101311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166050656 + 10166050657.

It is an arithmetic number, because the mean of its divisors is an integer number (10166050657).

Almost surely, 2^20332101313 is an apocalyptic number.

It is an amenable number.

20332101313 is a deficient number, since it is larger than the sum of its proper divisors (1).

20332101313 is an equidigital number, since it uses as much as digits as its factorization.

20332101313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20332101313 its reverse (31310123302), we get a palindrome (51642224615).

The spelling of 20332101313 in words is "twenty billion, three hundred thirty-two million, one hundred one thousand, three hundred thirteen".