1003220203 has 4 divisors (see below), whose sum is σ = 1004912568. Its totient is φ = 1001527840.

The previous prime is 1003220189. The next prime is 1003220209. The reversal of 1003220203 is 3020223001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3020223001 = 4259 ⋅709139.

It is a cyclic number.

It is not a de Polignac number, because 1003220203 - 2²⁹ = 466349291 is a prime.

It is a super-2 number, since 2×1003220203² = 2012901551414722418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003220209) 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, 845293 + ... + 846478.

It is an arithmetic number, because the mean of its divisors is an integer number (251228142).

Almost surely, 2^1003220203 is an apocalyptic number.

1003220203 is a deficient number, since it is larger than the sum of its proper divisors (1692365).

1003220203 is an equidigital number, since it uses as much as digits as its factorization.

1003220203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692364.

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

The square root of 1003220203 is about 31673.6515577222. The cubic root of 1003220203 is about 1001.0722508671.

Adding to 1003220203 its reverse (3020223001), we get a palindrome (4023443204).

The spelling of 1003220203 in words is "one billion, three million, two hundred twenty thousand, two hundred three".