20320025312963 has 2 divisors, whose sum is σ = 20320025312964. Its totient is φ = 20320025312962.

The previous prime is 20320025312941. The next prime is 20320025313043. The reversal of 20320025312963 is 36921352002302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20320025312963 - 2²⁰ = 20320024264387 is a prime.

It is not a weakly prime, because it can be changed into another prime (20320025342963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10160012656481 + 10160012656482.

It is an arithmetic number, because the mean of its divisors is an integer number (10160012656482).

Almost surely, 2^{20320025312963} is an apocalyptic number.

20320025312963 is a deficient number, since it is larger than the sum of its proper divisors (1).

20320025312963 is an equidigital number, since it uses as much as digits as its factorization.

20320025312963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 20320025312963 in words is "twenty trillion, three hundred twenty billion, twenty-five million, three hundred twelve thousand, nine hundred sixty-three".