20103886 has 32 divisors (see below), whose sum is σ = 34898688. Its totient is φ = 8595840.

The previous prime is 20103871. The next prime is 20103917. The reversal of 20103886 is 68830102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33606 + ... + 34198.

It is an arithmetic number, because the mean of its divisors is an integer number (1090584).

Almost surely, 2^20103886 is an apocalyptic number.

20103886 is a deficient number, since it is larger than the sum of its proper divisors (14794802).

20103886 is a wasteful number, since it uses less digits than its factorization.

20103886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 20103886 is about 4483.7357192413. The cubic root of 20103886 is about 271.9109335691.

Adding to 20103886 its reverse (68830102), we get a palindrome (88933988).

The spelling of 20103886 in words is "twenty million, one hundred three thousand, eight hundred eighty-six".