20166082 has 8 divisors (see below), whose sum is σ = 30762000. Its totient is φ = 9912084.

The previous prime is 20166077. The next prime is 20166119. The reversal of 20166082 is 28066102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85332 + ... + 85567.

It is an arithmetic number, because the mean of its divisors is an integer number (3845250).

Almost surely, 2^20166082 is an apocalyptic number.

20166082 is a deficient number, since it is larger than the sum of its proper divisors (10595918).

20166082 is a wasteful number, since it uses less digits than its factorization.

20166082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170960.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 20166082 is about 4490.6660975851. Note that the first 3 decimals coincide. The cubic root of 20166082 is about 272.1910512568.

The spelling of 20166082 in words is "twenty million, one hundred sixty-six thousand, eighty-two".