20199194 has 8 divisors (see below), whose sum is σ = 30682560. Its totient is φ = 9971676.

The previous prime is 20199191. The next prime is 20199203. The reversal of 20199194 is 49199102.

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 (20199191) 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, 63764 + ... + 64079.

It is an arithmetic number, because the mean of its divisors is an integer number (3835320).

Almost surely, 2^20199194 is an apocalyptic number.

20199194 is a deficient number, since it is larger than the sum of its proper divisors (10483366).

20199194 is a wasteful number, since it uses less digits than its factorization.

20199194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127924.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 20199194 is about 4494.3513436312. The cubic root of 20199194 is about 272.3399458494.

The spelling of 20199194 in words is "twenty million, one hundred ninety-nine thousand, one hundred ninety-four".