20080504 has 16 divisors (see below), whose sum is σ = 38182320. Its totient is φ = 9898560.

The previous prime is 20080483. The next prime is 20080513. The reversal of 20080504 is 40508002.

It is a happy number.

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, 17109 + ... + 18244.

It is an arithmetic number, because the mean of its divisors is an integer number (2386395).

Almost surely, 2^20080504 is an apocalyptic number.

It is an amenable number.

20080504 is a deficient number, since it is larger than the sum of its proper divisors (18101816).

20080504 is a wasteful number, since it uses less digits than its factorization.

20080504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35430 (or 35426 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 20080504 is about 4481.1275366809. The cubic root of 20080504 is about 271.8054765464.

Adding to 20080504 its reverse (40508002), we get a palindrome (60588506).

The spelling of 20080504 in words is "twenty million, eighty thousand, five hundred four".