20049196 has 6 divisors (see below), whose sum is σ = 35086100. Its totient is φ = 10024596.

The previous prime is 20049187. The next prime is 20049209. The reversal of 20049196 is 69194002.

It is a happy number.

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 as a sum of consecutive naturals, namely, 2506146 + ... + 2506153.

Almost surely, 2^20049196 is an apocalyptic number.

It is an amenable number.

20049196 is a deficient number, since it is larger than the sum of its proper divisors (15036904).

20049196 is a wasteful number, since it uses less digits than its factorization.

20049196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5012303 (or 5012301 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 20049196 is about 4477.6328567671. The cubic root of 20049196 is about 271.6641435691.

The spelling of 20049196 in words is "twenty million, forty-nine thousand, one hundred ninety-six".