20049194 has 8 divisors (see below), whose sum is σ = 32807808. Its totient is φ = 9113260.

The previous prime is 20049187. The next prime is 20049209. The reversal of 20049194 is 49194002.

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, 455642 + ... + 455685.

It is an arithmetic number, because the mean of its divisors is an integer number (4100976).

Almost surely, 2^20049194 is an apocalyptic number.

20049194 is a deficient number, since it is larger than the sum of its proper divisors (12758614).

20049194 is a wasteful number, since it uses less digits than its factorization.

20049194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911340.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 20049194 is about 4477.6326334348. The cubic root of 20049194 is about 271.6641345359.

It can be divided in two parts, 200 and 49194, that added together give a palindrome (49394).

The spelling of 20049194 in words is "twenty million, forty-nine thousand, one hundred ninety-four".