20099366 has 8 divisors (see below), whose sum is σ = 34456080. Its totient is φ = 8614008.

The previous prime is 20099357. The next prime is 20099371. The reversal of 20099366 is 66399002.

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

It is a congruent number.

It is an unprimeable number.

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, 717821 + ... + 717848.

It is an arithmetic number, because the mean of its divisors is an integer number (4307010).

Almost surely, 2^20099366 is an apocalyptic number.

20099366 is a deficient number, since it is larger than the sum of its proper divisors (14356714).

20099366 is a wasteful number, since it uses less digits than its factorization.

20099366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435678.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 20099366 is about 4483.2316469261. The cubic root of 20099366 is about 271.8905539346.

The spelling of 20099366 in words is "twenty million, ninety-nine thousand, three hundred sixty-six".