20592951017 has 2 divisors, whose sum is σ = 20592951018. Its totient is φ = 20592951016.

The previous prime is 20592950981. The next prime is 20592951019. The reversal of 20592951017 is 71015929502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19812251536 + 780699481 = 140756^2 + 27941^2 .

It is a cyclic number.

It is not a de Polignac number, because 20592951017 - 2²⁶ = 20525842153 is a prime.

It is a super-2 number, since 2×20592951017² (a number of 21 digits) contains 22 as substring.

Together with 20592951019, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20592951019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10296475508 + 10296475509.

It is an arithmetic number, because the mean of its divisors is an integer number (10296475509).

Almost surely, 2^20592951017 is an apocalyptic number.

It is an amenable number.

20592951017 is a deficient number, since it is larger than the sum of its proper divisors (1).

20592951017 is an equidigital number, since it uses as much as digits as its factorization.

20592951017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 41.

The spelling of 20592951017 in words is "twenty billion, five hundred ninety-two million, nine hundred fifty-one thousand, seventeen".