20683086959 has 2 divisors, whose sum is σ = 20683086960. Its totient is φ = 20683086958.

The previous prime is 20683086901. The next prime is 20683087001. The reversal of 20683086959 is 95968038602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20683086959 - 2¹² = 20683082863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20683086859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10341543479 + 10341543480.

It is an arithmetic number, because the mean of its divisors is an integer number (10341543480).

Almost surely, 2^20683086959 is an apocalyptic number.

20683086959 is a deficient number, since it is larger than the sum of its proper divisors (1).

20683086959 is an equidigital number, since it uses as much as digits as its factorization.

20683086959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5598720, while the sum is 56.

The spelling of 20683086959 in words is "twenty billion, six hundred eighty-three million, eighty-six thousand, nine hundred fifty-nine".