20040604 has 12 divisors (see below), whose sum is σ = 35107128. Its totient is φ = 10010000.

The previous prime is 20040583. The next prime is 20040619. The reversal of 20040604 is 40604002.

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, 3279 + ... + 7129.

It is an arithmetic number, because the mean of its divisors is an integer number (2925594).

Almost surely, 2^20040604 is an apocalyptic number.

It is an amenable number.

20040604 is a deficient number, since it is larger than the sum of its proper divisors (15066524).

20040604 is a wasteful number, since it uses less digits than its factorization.

20040604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5156 (or 5154 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20040604 is about 4476.6733184364. The cubic root of 20040604 is about 271.6253311760.

Adding to 20040604 its reverse (40604002), we get a palindrome (60644606).

It can be divided in two parts, 200 and 40604, that added together give a palindrome (40804).

The spelling of 20040604 in words is "twenty million, forty thousand, six hundred four".