20247510374963 has 2 divisors, whose sum is σ = 20247510374964. Its totient is φ = 20247510374962.

The previous prime is 20247510374849. The next prime is 20247510375007. The reversal of 20247510374963 is 36947301574202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20247510374963 - 2⁴² = 15849463863859 is a prime.

It is not a weakly prime, because it can be changed into another prime (20247510376963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10123755187481 + 10123755187482.

It is an arithmetic number, because the mean of its divisors is an integer number (10123755187482).

Almost surely, 2^{20247510374963} is an apocalyptic number.

20247510374963 is a deficient number, since it is larger than the sum of its proper divisors (1).

20247510374963 is an equidigital number, since it uses as much as digits as its factorization.

20247510374963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7620480, while the sum is 53.

The spelling of 20247510374963 in words is "twenty trillion, two hundred forty-seven billion, five hundred ten million, three hundred seventy-four thousand, nine hundred sixty-three".