20364166 has 8 divisors (see below), whose sum is σ = 30665880. Its totient is φ = 10142208.

The previous prime is 20364163. The next prime is 20364193. The reversal of 20364166 is 66146302.

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 (20364161) 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, 19296 + ... + 20323.

It is an arithmetic number, because the mean of its divisors is an integer number (3833235).

Almost surely, 2^20364166 is an apocalyptic number.

20364166 is a deficient number, since it is larger than the sum of its proper divisors (10301714).

20364166 is a wasteful number, since it uses less digits than its factorization.

20364166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39878.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 20364166 is about 4512.6672822179. The cubic root of 20364166 is about 273.0793598977.

The spelling of 20364166 in words is "twenty million, three hundred sixty-four thousand, one hundred sixty-six".