20796165 has 48 divisors (see below), whose sum is σ = 40884480. Its totient is φ = 9694080.

The previous prime is 20796077. The next prime is 20796179. The reversal of 20796165 is 56169702.

It is not a de Polignac number, because 20796165 - 2⁷ = 20796037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10180 + ... + 12050.

It is an arithmetic number, because the mean of its divisors is an integer number (851760).

Almost surely, 2^20796165 is an apocalyptic number.

It is an amenable number.

20796165 is a deficient number, since it is larger than the sum of its proper divisors (20088315).

20796165 is a wasteful number, since it uses less digits than its factorization.

20796165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914 (or 1911 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 20796165 is about 4560.2812413271. The cubic root of 20796165 is about 274.9968704878.

The spelling of 20796165 in words is "twenty million, seven hundred ninety-six thousand, one hundred sixty-five".