1220203002 has 48 divisors (see below), whose sum is σ = 2552612832. Its totient is φ = 388641120.

The previous prime is 1220202979. The next prime is 1220203027. The reversal of 1220203002 is 2003020221.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 568852 + ... + 570992.

It is an arithmetic number, because the mean of its divisors is an integer number (53179434).

Almost surely, 2^1220203002 is an apocalyptic number.

1220203002 is an abundant number, since it is smaller than the sum of its proper divisors (1332409830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220203002 is a wasteful number, since it uses less digits than its factorization.

1220203002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283 (or 2236 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1220203002 is about 34931.4042374480. The cubic root of 1220203002 is about 1068.5889928927.

Adding to 1220203002 its reverse (2003020221), we get a palindrome (3223223223).

The spelling of 1220203002 in words is "one billion, two hundred twenty million, two hundred three thousand, two".