10220503 has 4 divisors (see below), whose sum is σ = 10227168. Its totient is φ = 10213840.

The previous prime is 10220491. The next prime is 10220513. The reversal of 10220503 is 30502201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10220503 - 2⁵ = 10220471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220513) 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 3 ways as a sum of consecutive naturals, for example, 258 + ... + 4528.

It is an arithmetic number, because the mean of its divisors is an integer number (2556792).

Almost surely, 2^10220503 is an apocalyptic number.

10220503 is a deficient number, since it is larger than the sum of its proper divisors (6665).

10220503 is an equidigital number, since it uses as much as digits as its factorization.

10220503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6664.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 10220503 is about 3196.9521422755. The cubic root of 10220503 is about 217.0155014516.

Adding to 10220503 its reverse (30502201), we get a palindrome (40722704).

The spelling of 10220503 in words is "ten million, two hundred twenty thousand, five hundred three".