20830662270317 has 2 divisors, whose sum is σ = 20830662270318. Its totient is φ = 20830662270316.

The previous prime is 20830662270289. The next prime is 20830662270493. The reversal of 20830662270317 is 71307226603802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11431661393476 + 9399000876841 = 3381074^2 + 3065779^2 .

It is a cyclic number.

It is not a de Polignac number, because 20830662270317 - 2¹² = 20830662266221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20830662270617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10415331135158 + 10415331135159.

It is an arithmetic number, because the mean of its divisors is an integer number (10415331135159).

Almost surely, 2^{20830662270317} is an apocalyptic number.

It is an amenable number.

20830662270317 is a deficient number, since it is larger than the sum of its proper divisors (1).

20830662270317 is an equidigital number, since it uses as much as digits as its factorization.

20830662270317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 20830662270317 in words is "twenty trillion, eight hundred thirty billion, six hundred sixty-two million, two hundred seventy thousand, three hundred seventeen".