20886103 has 12 divisors (see below), whose sum is σ = 24633120. Its totient is φ = 17654112.

The previous prime is 20886091. The next prime is 20886143. The reversal of 20886103 is 30168802.

It is a de Polignac number, because none of the positive numbers 2^k-20886103 is a prime.

It is a super-3 number, since 3×20886103³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20886143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 658 + ... + 6496.

It is an arithmetic number, because the mean of its divisors is an integer number (2052760).

Almost surely, 2^20886103 is an apocalyptic number.

20886103 is a deficient number, since it is larger than the sum of its proper divisors (3747017).

20886103 is an equidigital number, since it uses as much as digits as its factorization.

20886103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5926 (or 5919 counting only the distinct ones).

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

The square root of 20886103 is about 4570.1316173607. The cubic root of 20886103 is about 275.3927303308.

The spelling of 20886103 in words is "twenty million, eight hundred eighty-six thousand, one hundred three".