20008208 has 20 divisors (see below), whose sum is σ = 42290448. Its totient is φ = 9094560.

The previous prime is 20008207. The next prime is 20008211. The reversal of 20008208 is 80280002.

It is a self number, because there is not a number n which added to its sum of digits gives 20008208.

It is not an unprimeable number, because it can be changed into a prime (20008207) 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, 56666 + ... + 57017.

Almost surely, 2^20008208 is an apocalyptic number.

It is an amenable number.

20008208 is an abundant number, since it is smaller than the sum of its proper divisors (22282240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20008208 is a wasteful number, since it uses less digits than its factorization.

20008208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113702 (or 113696 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 20008208 is about 4473.0535431627. The cubic root of 20008208 is about 271.4788898138.

The spelling of 20008208 in words is "twenty million, eight thousand, two hundred eight".