103220203 has 4 divisors (see below), whose sum is σ = 105167808. Its totient is φ = 101272600.

The previous prime is 103220191. The next prime is 103220219. The reversal of 103220203 is 302022301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103220203 is a prime.

It is a super-2 number, since 2×103220203² = 21308820614722418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103220263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 973723 + ... + 973828.

It is an arithmetic number, because the mean of its divisors is an integer number (26291952).

Almost surely, 2^103220203 is an apocalyptic number.

103220203 is a deficient number, since it is larger than the sum of its proper divisors (1947605).

103220203 is an equidigital number, since it uses as much as digits as its factorization.

103220203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947604.

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

The square root of 103220203 is about 10159.7343961346. The cubic root of 103220203 is about 469.0886262381.

Adding to 103220203 its reverse (302022301), we get a palindrome (405242504).

The spelling of 103220203 in words is "one hundred three million, two hundred twenty thousand, two hundred three".