20396195 has 8 divisors (see below), whose sum is σ = 24507360. Its totient is φ = 16295680.

The previous prime is 20396191. The next prime is 20396197. The reversal of 20396195 is 59169302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20396195 - 2² = 20396191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20396191) 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 7 ways as a sum of consecutive naturals, for example, 2450 + ... + 6840.

It is an arithmetic number, because the mean of its divisors is an integer number (3063420).

Almost surely, 2^20396195 is an apocalyptic number.

20396195 is a deficient number, since it is larger than the sum of its proper divisors (4111165).

20396195 is an equidigital number, since it uses as much as digits as its factorization.

20396195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5325.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 20396195 is about 4516.2146760312. The cubic root of 20396195 is about 273.2224523820. Note that the first 3 decimals are identical.

The spelling of 20396195 in words is "twenty million, three hundred ninety-six thousand, one hundred ninety-five".