20003194 has 8 divisors (see below), whose sum is σ = 30125088. Its totient is φ = 9961500.

The previous prime is 20003177. The next prime is 20003201. The reversal of 20003194 is 49130002.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 19422 + ... + 20425.

It is an arithmetic number, because the mean of its divisors is an integer number (3765636).

Almost surely, 2^20003194 is an apocalyptic number.

20003194 is a deficient number, since it is larger than the sum of its proper divisors (10121894).

20003194 is a wasteful number, since it uses less digits than its factorization.

20003194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40100.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 20003194 is about 4472.4930407995. The cubic root of 20003194 is about 271.4562106401.

Adding to 20003194 its reverse (49130002), we get a palindrome (69133196).

The spelling of 20003194 in words is "twenty million, three thousand, one hundred ninety-four".