20236195 has 16 divisors (see below), whose sum is σ = 28278720. Its totient is φ = 13613184.

The previous prime is 20236189. The next prime is 20236199. The reversal of 20236195 is 59163202.

It is a cyclic number.

It is not a de Polignac number, because 20236195 - 2⁵ = 20236163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20236199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3600 + ... + 7309.

It is an arithmetic number, because the mean of its divisors is an integer number (1767420).

Almost surely, 2^20236195 is an apocalyptic number.

20236195 is a deficient number, since it is larger than the sum of its proper divisors (8042525).

20236195 is a wasteful number, since it uses less digits than its factorization.

20236195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10974.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 20236195 is about 4498.4658495981. The cubic root of 20236195 is about 272.5061357090.

Adding to 20236195 its reverse (59163202), we get a palindrome (79399397).

The spelling of 20236195 in words is "twenty million, two hundred thirty-six thousand, one hundred ninety-five".