203220103 has 8 divisors (see below), whose sum is σ = 204736896. Its totient is φ = 201708000.

The previous prime is 203220089. The next prime is 203220109. The reversal of 203220103 is 301022302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203220103 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 (203220109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155553 + ... + 156853.

It is an arithmetic number, because the mean of its divisors is an integer number (25592112).

Almost surely, 2^203220103 is an apocalyptic number.

203220103 is a deficient number, since it is larger than the sum of its proper divisors (1516793).

203220103 is a wasteful number, since it uses less digits than its factorization.

203220103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 203220103 is about 14255.5288572539. The cubic root of 203220103 is about 587.9253987374.

Adding to 203220103 its reverse (301022302), we get a palindrome (504242405).

The spelling of 203220103 in words is "two hundred three million, two hundred twenty thousand, one hundred three".