20033313317 has 2 divisors, whose sum is σ = 20033313318. Its totient is φ = 20033313316.

The previous prime is 20033313253. The next prime is 20033313331. The reversal of 20033313317 is 71331333002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11721526756 + 8311786561 = 108266^2 + 91169^2 .

It is a cyclic number.

It is not a de Polignac number, because 20033313317 - 2⁶ = 20033313253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20033303317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10016656658 + 10016656659.

It is an arithmetic number, because the mean of its divisors is an integer number (10016656659).

Almost surely, 2^20033313317 is an apocalyptic number.

It is an amenable number.

20033313317 is a deficient number, since it is larger than the sum of its proper divisors (1).

20033313317 is an equidigital number, since it uses as much as digits as its factorization.

20033313317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 26.

Adding to 20033313317 its reverse (71331333002), we get a palindrome (91364646319).

The spelling of 20033313317 in words is "twenty billion, thirty-three million, three hundred thirteen thousand, three hundred seventeen".