20140166 has 8 divisors (see below), whose sum is σ = 30549960. Its totient is φ = 9956848.

The previous prime is 20140163. The next prime is 20140201. The reversal of 20140166 is 66104102.

It is a happy number.

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 (20140163) 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, 56396 + ... + 56751.

It is an arithmetic number, because the mean of its divisors is an integer number (3818745).

Almost surely, 2^20140166 is an apocalyptic number.

20140166 is a deficient number, since it is larger than the sum of its proper divisors (10409794).

20140166 is a wasteful number, since it uses less digits than its factorization.

20140166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113238.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 20140166 is about 4487.7796291708. The cubic root of 20140166 is about 272.0744011435.

Adding to 20140166 its reverse (66104102), we get a palindrome (86244268).

The spelling of 20140166 in words is "twenty million, one hundred forty thousand, one hundred sixty-six".