20104036 has 12 divisors (see below), whose sum is σ = 35229040. Its totient is φ = 10038600.

The previous prime is 20104031. The next prime is 20104043. The reversal of 20104036 is 63040102.

It is not an unprimeable number, because it can be changed into a prime (20104031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511 + ... + 6361.

Almost surely, 2^20104036 is an apocalyptic number.

It is an amenable number.

20104036 is a deficient number, since it is larger than the sum of its proper divisors (15125004).

20104036 is a wasteful number, since it uses less digits than its factorization.

20104036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6714 (or 6712 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 20104036 is about 4483.7524463333. The cubic root of 20104036 is about 271.9116098320.

Adding to 20104036 its reverse (63040102), we get a palindrome (83144138).

The spelling of 20104036 in words is "twenty million, one hundred four thousand, thirty-six".