20946214659 has 16 divisors (see below), whose sum is σ = 28046727680. Its totient is φ = 13905047520.

The previous prime is 20946214649. The next prime is 20946214691. The reversal of 20946214659 is 95641264902.

It is not a de Polignac number, because 20946214659 - 2⁹ = 20946214147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20946214649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 675702 + ... + 706020.

It is an arithmetic number, because the mean of its divisors is an integer number (1752920480).

Almost surely, 2^20946214659 is an apocalyptic number.

20946214659 is a deficient number, since it is larger than the sum of its proper divisors (7100513021).

20946214659 is a wasteful number, since it uses less digits than its factorization.

20946214659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31290.

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 20946214659 in words is "twenty billion, nine hundred forty-six million, two hundred fourteen thousand, six hundred fifty-nine".