20714166 has 48 divisors (see below), whose sum is σ = 49280400. Its totient is φ = 6236160.

The previous prime is 20714153. The next prime is 20714171. The reversal of 20714166 is 66141702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45910 + ... + 46358.

It is an arithmetic number, because the mean of its divisors is an integer number (1026675).

Almost surely, 2^20714166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20714166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24640200).

20714166 is an abundant number, since it is smaller than the sum of its proper divisors (28566234).

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

20714166 is a wasteful number, since it uses less digits than its factorization.

20714166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 20714166 is about 4551.2817974720. The cubic root of 20714166 is about 274.6349580728.

Adding to 20714166 its reverse (66141702), we get a palindrome (86855868).

The spelling of 20714166 in words is "twenty million, seven hundred fourteen thousand, one hundred sixty-six".