20039608 has 16 divisors (see below), whose sum is σ = 38104560. Its totient is φ = 9878400.

The previous prime is 20039599. The next prime is 20039627. The reversal of 20039608 is 80693002.

It is a congruent number.

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, 17073 + ... + 18208.

It is an arithmetic number, because the mean of its divisors is an integer number (2381535).

Almost surely, 2^20039608 is an apocalyptic number.

It is an amenable number.

20039608 is a deficient number, since it is larger than the sum of its proper divisors (18064952).

20039608 is a wasteful number, since it uses less digits than its factorization.

20039608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35358 (or 35354 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 20039608 is about 4476.5620737347. The cubic root of 20039608 is about 271.6208312566.

It can be divided in two parts, 2003 and 9608, that added together give a palindrome (11611).

The spelling of 20039608 in words is "twenty million, thirty-nine thousand, six hundred eight".