20738194 has 8 divisors (see below), whose sum is σ = 32110848. Its totient is φ = 10034580.

The previous prime is 20738191. The next prime is 20738209. The reversal of 20738194 is 49183702.

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

It is not an unprimeable number, because it can be changed into a prime (20738191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167182 + ... + 167305.

It is an arithmetic number, because the mean of its divisors is an integer number (4013856).

Almost surely, 2^20738194 is an apocalyptic number.

20738194 is a deficient number, since it is larger than the sum of its proper divisors (11372654).

20738194 is a wasteful number, since it uses less digits than its factorization.

20738194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334520.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 20738194 is about 4553.9207283395. The cubic root of 20738194 is about 274.7411073119.

The spelling of 20738194 in words is "twenty million, seven hundred thirty-eight thousand, one hundred ninety-four".