1220030203 has 16 divisors (see below), whose sum is σ = 1488936960. Its totient is φ = 977104800.

The previous prime is 1220030191. The next prime is 1220030209. The reversal of 1220030203 is 3020300221.

It is a happy number.

It is not a de Polignac number, because 1220030203 - 2⁵ = 1220030171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220030209) 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 15 ways as a sum of consecutive naturals, for example, 90643 + ... + 103228.

It is an arithmetic number, because the mean of its divisors is an integer number (93058560).

Almost surely, 2^1220030203 is an apocalyptic number.

1220030203 is a deficient number, since it is larger than the sum of its proper divisors (268906757).

1220030203 is a wasteful number, since it uses less digits than its factorization.

1220030203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193938.

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

The square root of 1220030203 is about 34928.9307451574. The cubic root of 1220030203 is about 1068.5385477820.

Adding to 1220030203 its reverse (3020300221), we get a palindrome (4240330424).

The spelling of 1220030203 in words is "one billion, two hundred twenty million, thirty thousand, two hundred three".