20616108 has 24 divisors (see below), whose sum is σ = 48216000. Its totient is φ = 6856080.

The previous prime is 20616107. The next prime is 20616133. The reversal of 20616108 is 80161602.

It is not an unprimeable number, because it can be changed into a prime (20616107) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4143 + ... + 7641.

It is an arithmetic number, because the mean of its divisors is an integer number (2009000).

Almost surely, 2^20616108 is an apocalyptic number.

It is an amenable number.

20616108 is an abundant number, since it is smaller than the sum of its proper divisors (27599892).

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

20616108 is a wasteful number, since it uses less digits than its factorization.

20616108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3997 (or 3995 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 20616108 is about 4540.4964486276. The cubic root of 20616108 is about 274.2009111284.

The spelling of 20616108 in words is "twenty million, six hundred sixteen thousand, one hundred eight".