20396194 has 16 divisors (see below), whose sum is σ = 37654848. Its totient is φ = 8068752.

The previous prime is 20396191. The next prime is 20396197. The reversal of 20396194 is 49169302.

It is an interprime number because it is at equal distance from previous prime (20396191) and next prime (20396197).

It is not an unprimeable number, because it can be changed into a prime (20396191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55852 + ... + 56215.

It is an arithmetic number, because the mean of its divisors is an integer number (2353428).

Almost surely, 2^20396194 is an apocalyptic number.

20396194 is a deficient number, since it is larger than the sum of its proper divisors (17258654).

20396194 is a wasteful number, since it uses less digits than its factorization.

20396194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112089.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 20396194 is about 4516.2145653191. The cubic root of 20396194 is about 273.2224479167. Note that the first 3 decimals are identical.

The spelling of 20396194 in words is "twenty million, three hundred ninety-six thousand, one hundred ninety-four".