20090883317 has 2 divisors, whose sum is σ = 20090883318. Its totient is φ = 20090883316.

The previous prime is 20090883287. The next prime is 20090883343. The reversal of 20090883317 is 71338809002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19624927921 + 465955396 = 140089^2 + 21586^2 .

It is a cyclic number.

It is not a de Polignac number, because 20090883317 - 2⁸ = 20090883061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20090883517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10045441658 + 10045441659.

It is an arithmetic number, because the mean of its divisors is an integer number (10045441659).

Almost surely, 2^20090883317 is an apocalyptic number.

It is an amenable number.

20090883317 is a deficient number, since it is larger than the sum of its proper divisors (1).

20090883317 is an equidigital number, since it uses as much as digits as its factorization.

20090883317 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 41.

The spelling of 20090883317 in words is "twenty billion, ninety million, eight hundred eighty-three thousand, three hundred seventeen".