20046659959 has 2 divisors, whose sum is σ = 20046659960. Its totient is φ = 20046659958.

The previous prime is 20046659939. The next prime is 20046660047. The reversal of 20046659959 is 95995664002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20046659959 - 2¹⁹ = 20046135671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20046659929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10023329979 + 10023329980.

It is an arithmetic number, because the mean of its divisors is an integer number (10023329980).

Almost surely, 2^20046659959 is an apocalyptic number.

20046659959 is a deficient number, since it is larger than the sum of its proper divisors (1).

20046659959 is an equidigital number, since it uses as much as digits as its factorization.

20046659959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5248800, while the sum is 55.

The spelling of 20046659959 in words is "twenty billion, forty-six million, six hundred fifty-nine thousand, nine hundred fifty-nine".