20504112010 has 96 divisors (see below), whose sum is σ = 40058064000. Its totient is φ = 7533792000.

The previous prime is 20504112001. The next prime is 20504112011. The reversal of 20504112010 is 1021140502.

It is not an unprimeable number, because it can be changed into a prime (20504112011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 137611416 + ... + 137611564.

It is an arithmetic number, because the mean of its divisors is an integer number (417271500).

Almost surely, 2^20504112010 is an apocalyptic number.

20504112010 is a deficient number, since it is larger than the sum of its proper divisors (19553951990).

20504112010 is a wasteful number, since it uses less digits than its factorization.

20504112010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 20504112010 its reverse (1021140502), we get a palindrome (21525252512).

The spelling of 20504112010 in words is "twenty billion, five hundred four million, one hundred twelve thousand, ten".