20459164216301 has 2 divisors, whose sum is σ = 20459164216302. Its totient is φ = 20459164216300.

The previous prime is 20459164216297. The next prime is 20459164216327. The reversal of 20459164216301 is 10361246195402.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18340028940676 + 2119135275625 = 4282526^2 + 1455725^2 .

It is a cyclic number.

It is not a de Polignac number, because 20459164216301 - 2² = 20459164216297 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20459164219301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10229582108150 + 10229582108151.

It is an arithmetic number, because the mean of its divisors is an integer number (10229582108151).

Almost surely, 2^{20459164216301} is an apocalyptic number.

It is an amenable number.

20459164216301 is a deficient number, since it is larger than the sum of its proper divisors (1).

20459164216301 is an equidigital number, since it uses as much as digits as its factorization.

20459164216301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 20459164216301 in words is "twenty trillion, four hundred fifty-nine billion, one hundred sixty-four million, two hundred sixteen thousand, three hundred one".