20194203 has 4 divisors (see below), whose sum is σ = 26925608. Its totient is φ = 13462800.

The previous prime is 20194183. The next prime is 20194241. The reversal of 20194203 is 30249102.

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

It is not a de Polignac number, because 20194203 - 2¹³ = 20186011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20194203.

It is not an unprimeable number, because it can be changed into a prime (20194303) 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, 3365698 + ... + 3365703.

It is an arithmetic number, because the mean of its divisors is an integer number (6731402).

Almost surely, 2^20194203 is an apocalyptic number.

20194203 is a deficient number, since it is larger than the sum of its proper divisors (6731405).

20194203 is an equidigital number, since it uses as much as digits as its factorization.

20194203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6731404.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 20194203 is about 4493.7960567876. The cubic root of 20194203 is about 272.3175132606.

The spelling of 20194203 in words is "twenty million, one hundred ninety-four thousand, two hundred three".