20103896 has 32 divisors (see below), whose sum is σ = 38707200. Its totient is φ = 9785760.

The previous prime is 20103871. The next prime is 20103917. The reversal of 20103896 is 69830102.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 90041 + ... + 90263.

It is an arithmetic number, because the mean of its divisors is an integer number (1209600).

Almost surely, 2^20103896 is an apocalyptic number.

It is an amenable number.

20103896 is a deficient number, since it is larger than the sum of its proper divisors (18603304).

20103896 is a wasteful number, since it uses less digits than its factorization.

20103896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 20103896 is about 4483.7368343827. The cubic root of 20103896 is about 271.9109786534.

Adding to 20103896 its reverse (69830102), we get a palindrome (89933998).

The spelling of 20103896 in words is "twenty million, one hundred three thousand, eight hundred ninety-six".