20116226232317 has 2 divisors, whose sum is σ = 20116226232318. Its totient is φ = 20116226232316.

The previous prime is 20116226232307. The next prime is 20116226232329. The reversal of 20116226232317 is 71323262261102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18633260023876 + 1482966208441 = 4316626^2 + 1217771^2 .

It is a cyclic number.

It is not a de Polignac number, because 20116226232317 - 2⁴ = 20116226232301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20116226232307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10058113116158 + 10058113116159.

It is an arithmetic number, because the mean of its divisors is an integer number (10058113116159).

Almost surely, 2^{20116226232317} is an apocalyptic number.

It is an amenable number.

20116226232317 is a deficient number, since it is larger than the sum of its proper divisors (1).

20116226232317 is an equidigital number, since it uses as much as digits as its factorization.

20116226232317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

Adding to 20116226232317 its reverse (71323262261102), we get a palindrome (91439488493419).

The spelling of 20116226232317 in words is "twenty trillion, one hundred sixteen billion, two hundred twenty-six million, two hundred thirty-two thousand, three hundred seventeen".