20118095 has 4 divisors (see below), whose sum is σ = 24141720. Its totient is φ = 16094472.

The previous prime is 20118073. The next prime is 20118097. The reversal of 20118095 is 59081102.

It is a happy number.

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 20118095 - 2¹² = 20113999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20118097) 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, 2011805 + ... + 2011814.

It is an arithmetic number, because the mean of its divisors is an integer number (6035430).

Almost surely, 2^20118095 is an apocalyptic number.

20118095 is a deficient number, since it is larger than the sum of its proper divisors (4023625).

20118095 is an equidigital number, since it uses as much as digits as its factorization.

20118095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4023624.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 20118095 is about 4485.3199439951. The cubic root of 20118095 is about 271.9749787754.

Adding to 20118095 its reverse (59081102), we get a palindrome (79199197).

The spelling of 20118095 in words is "twenty million, one hundred eighteen thousand, ninety-five".