20676166 has 8 divisors (see below), whose sum is σ = 35444880. Its totient is φ = 8861208.

The previous prime is 20676151. The next prime is 20676167. The reversal of 20676166 is 66167602.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20676167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 738421 + ... + 738448.

It is an arithmetic number, because the mean of its divisors is an integer number (4430610).

Almost surely, 2^20676166 is an apocalyptic number.

20676166 is a deficient number, since it is larger than the sum of its proper divisors (14768714).

20676166 is a wasteful number, since it uses less digits than its factorization.

20676166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476878.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 20676166 is about 4547.1052330026. The cubic root of 20676166 is about 274.4669166048.

The spelling of 20676166 in words is "twenty million, six hundred seventy-six thousand, one hundred sixty-six".