20056608 has 144 divisors (see below), whose sum is σ = 67144896. Its totient is φ = 5598720.

The previous prime is 20056607. The next prime is 20056669. The reversal of 20056608 is 80665002.

20056608 is a `hidden beast` number, since 2 + 0 + 0 + 56 + 608 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (20056607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40941 + ... + 41427.

It is an arithmetic number, because the mean of its divisors is an integer number (466284).

Almost surely, 2^20056608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20056608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33572448).

20056608 is an abundant number, since it is smaller than the sum of its proper divisors (47088288).

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

20056608 is a wasteful number, since it uses less digits than its factorization.

20056608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 20056608 is about 4478.4604497528. The cubic root of 20056608 is about 271.6976166745.

The spelling of 20056608 in words is "twenty million, fifty-six thousand, six hundred eight".