20008648 has 16 divisors (see below), whose sum is σ = 40926960. Its totient is φ = 9094800.

The previous prime is 20008621. The next prime is 20008649. The reversal of 20008648 is 84680002.

It is not an unprimeable number, because it can be changed into a prime (20008649) by changing a digit.

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, 113598 + ... + 113773.

It is an arithmetic number, because the mean of its divisors is an integer number (2557935).

Almost surely, 2^20008648 is an apocalyptic number.

It is an amenable number.

20008648 is an abundant number, since it is smaller than the sum of its proper divisors (20918312).

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

20008648 is a wasteful number, since it uses less digits than its factorization.

20008648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227388 (or 227384 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 20008648 is about 4473.1027262964. The cubic root of 20008648 is about 271.4808798277.

It can be divided in two parts, 2000 and 8648, that added together give a cube (10648 = 22³).

The spelling of 20008648 in words is "twenty million, eight thousand, six hundred forty-eight".