20140504 has 16 divisors (see below), whose sum is σ = 37811520. Its totient is φ = 10057440.

The previous prime is 20140493. The next prime is 20140559. The reversal of 20140504 is 40504102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10137 + ... + 11959.

It is an arithmetic number, because the mean of its divisors is an integer number (2363220).

Almost surely, 2^20140504 is an apocalyptic number.

It is an amenable number.

20140504 is a deficient number, since it is larger than the sum of its proper divisors (17671016).

20140504 is a wasteful number, since it uses less digits than its factorization.

20140504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3210 (or 3206 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 20140504 is about 4487.8172868333. The cubic root of 20140504 is about 272.0759231540.

Adding to 20140504 its reverse (40504102), we get a palindrome (60644606).

The spelling of 20140504 in words is "twenty million, one hundred forty thousand, five hundred four".