20317959119 has 2 divisors, whose sum is σ = 20317959120. Its totient is φ = 20317959118.

The previous prime is 20317959089. The next prime is 20317959131. The reversal of 20317959119 is 91195971302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20317959119 - 2²⁰ = 20316910543 is a prime.

It is a super-2 number, since 2×20317959119² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20317959019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10158979559 + 10158979560.

It is an arithmetic number, because the mean of its divisors is an integer number (10158979560).

Almost surely, 2^20317959119 is an apocalyptic number.

20317959119 is a deficient number, since it is larger than the sum of its proper divisors (1).

20317959119 is an equidigital number, since it uses as much as digits as its factorization.

20317959119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153090, while the sum is 47.

The spelling of 20317959119 in words is "twenty billion, three hundred seventeen million, nine hundred fifty-nine thousand, one hundred nineteen".