20165095 has 4 divisors (see below), whose sum is σ = 24198120. Its totient is φ = 16132072.

The previous prime is 20165081. The next prime is 20165129. The reversal of 20165095 is 59056102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20165095 - 2⁷ = 20164967 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2016505 + ... + 2016514.

It is an arithmetic number, because the mean of its divisors is an integer number (6049530).

Almost surely, 2^20165095 is an apocalyptic number.

20165095 is a deficient number, since it is larger than the sum of its proper divisors (4033025).

20165095 is an equidigital number, since it uses as much as digits as its factorization.

20165095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033024.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 20165095 is about 4490.5562016303. The cubic root of 20165095 is about 272.1866105173.

The spelling of 20165095 in words is "twenty million, one hundred sixty-five thousand, ninety-five".