20345032366171 has 2 divisors, whose sum is σ = 20345032366172. Its totient is φ = 20345032366170.

The previous prime is 20345032366117. The next prime is 20345032366201. The reversal of 20345032366171 is 17166323054302.

Together with previous prime (20345032366117) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20345032366171 - 2¹⁵ = 20345032333403 is a prime.

It is not a weakly prime, because it can be changed into another prime (20345032364171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10172516183085 + 10172516183086.

It is an arithmetic number, because the mean of its divisors is an integer number (10172516183086).

Almost surely, 2^{20345032366171} is an apocalyptic number.

20345032366171 is a deficient number, since it is larger than the sum of its proper divisors (1).

20345032366171 is an equidigital number, since it uses as much as digits as its factorization.

20345032366171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 20345032366171 in words is "twenty trillion, three hundred forty-five billion, thirty-two million, three hundred sixty-six thousand, one hundred seventy-one".