20866444314 has 16 divisors (see below), whose sum is σ = 42138063552. Its totient is φ = 6887952288.

The previous prime is 20866444303. The next prime is 20866444331. The reversal of 20866444314 is 41344466802.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 16881619 + ... + 16882854.

It is an arithmetic number, because the mean of its divisors is an integer number (2633628972).

Almost surely, 2^20866444314 is an apocalyptic number.

20866444314 is an abundant number, since it is smaller than the sum of its proper divisors (21271619238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20866444314 is a wasteful number, since it uses less digits than its factorization.

20866444314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33764581.

The product of its (nonzero) digits is 442368, while the sum is 42.

The spelling of 20866444314 in words is "twenty billion, eight hundred sixty-six million, four hundred forty-four thousand, three hundred fourteen".