20226277562317 has 2 divisors, whose sum is σ = 20226277562318. Its totient is φ = 20226277562316.

The previous prime is 20226277562287. The next prime is 20226277562389. The reversal of 20226277562317 is 71326577262202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17189863276356 + 3036414285961 = 4146066^2 + 1742531^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20226277562317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20226277512317) 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, 10113138781158 + 10113138781159.

It is an arithmetic number, because the mean of its divisors is an integer number (10113138781159).

Almost surely, 2^{20226277562317} is an apocalyptic number.

It is an amenable number.

20226277562317 is a deficient number, since it is larger than the sum of its proper divisors (1).

20226277562317 is an equidigital number, since it uses as much as digits as its factorization.

20226277562317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5927040, while the sum is 52.

The spelling of 20226277562317 in words is "twenty trillion, two hundred twenty-six billion, two hundred seventy-seven million, five hundred sixty-two thousand, three hundred seventeen".