20302310513 has 2 divisors, whose sum is σ = 20302310514. Its totient is φ = 20302310512.

The previous prime is 20302310477. The next prime is 20302310549. The reversal of 20302310513 is 31501320302.

It is a balanced prime because it is at equal distance from previous prime (20302310477) and next prime (20302310549).

It can be written as a sum of positive squares in only one way, i.e., 10443409249 + 9858901264 = 102193^2 + 99292^2 .

It is a cyclic number.

It is not a de Polignac number, because 20302310513 - 2⁸ = 20302310257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20302310573) 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, 10151155256 + 10151155257.

It is an arithmetic number, because the mean of its divisors is an integer number (10151155257).

Almost surely, 2^20302310513 is an apocalyptic number.

It is an amenable number.

20302310513 is a deficient number, since it is larger than the sum of its proper divisors (1).

20302310513 is an equidigital number, since it uses as much as digits as its factorization.

20302310513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 20.

Adding to 20302310513 its reverse (31501320302), we get a palindrome (51803630815).

The spelling of 20302310513 in words is "twenty billion, three hundred two million, three hundred ten thousand, five hundred thirteen".