20168336 has 20 divisors (see below), whose sum is σ = 39549552. Its totient is φ = 9962016.

The previous prime is 20168303. The next prime is 20168347. The reversal of 20168336 is 63386102.

It is a junction number, because it is equal to n+sod(n) for n = 20168299 and 20168308.

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, 6266 + ... + 8921.

Almost surely, 2^20168336 is an apocalyptic number.

It is an amenable number.

20168336 is a deficient number, since it is larger than the sum of its proper divisors (19381216).

20168336 is a wasteful number, since it uses less digits than its factorization.

20168336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15278 (or 15272 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 20168336 is about 4490.9170555689. The cubic root of 20168336 is about 272.2011919768.

The spelling of 20168336 in words is "twenty million, one hundred sixty-eight thousand, three hundred thirty-six".