20346317944801 has 2 divisors, whose sum is σ = 20346317944802. Its totient is φ = 20346317944800.

The previous prime is 20346317944787. The next prime is 20346317944811. The reversal of 20346317944801 is 10844971364302.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17301240594576 + 3045077350225 = 4159476^2 + 1745015^2 .

It is a cyclic number.

It is not a de Polignac number, because 20346317944801 - 2⁵ = 20346317944769 is a prime.

It is not a weakly prime, because it can be changed into another prime (20346317944811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10173158972400 + 10173158972401.

It is an arithmetic number, because the mean of its divisors is an integer number (10173158972401).

Almost surely, 2^{20346317944801} is an apocalyptic number.

It is an amenable number.

20346317944801 is a deficient number, since it is larger than the sum of its proper divisors (1).

20346317944801 is an equidigital number, since it uses as much as digits as its factorization.

20346317944801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 20346317944801 in words is "twenty trillion, three hundred forty-six billion, three hundred seventeen million, nine hundred forty-four thousand, eight hundred one".