20082666 has 16 divisors (see below), whose sum is σ = 40225824. Its totient is φ = 6684144.

The previous prime is 20082659. The next prime is 20082683. The reversal of 20082666 is 66628002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2596 + ... + 6848.

It is an arithmetic number, because the mean of its divisors is an integer number (2514114).

Almost surely, 2^20082666 is an apocalyptic number.

20082666 is an abundant number, since it is smaller than the sum of its proper divisors (20143158).

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

20082666 is a wasteful number, since it uses less digits than its factorization.

20082666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5045.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 20082666 is about 4481.3687641166. The cubic root of 20082666 is about 271.8152309887.

The spelling of 20082666 in words is "twenty million, eighty-two thousand, six hundred sixty-six".