1220303000 has 64 divisors (see below), whose sum is σ = 3263457600. Its totient is φ = 418387200.

The previous prime is 1220302999. The next prime is 1220303009. The reversal of 1220303000 is 3030221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220303009) 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 15 ways as a sum of consecutive naturals, for example, 80165 + ... + 94164.

It is an arithmetic number, because the mean of its divisors is an integer number (50991525).

Almost surely, 2^1220303000 is an apocalyptic number.

1220303000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220303000 is an abundant number, since it is smaller than the sum of its proper divisors (2043154600).

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

1220303000 is a wasteful number, since it uses less digits than its factorization.

1220303000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174357 (or 174343 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 1220303000 is about 34932.8355562499. The cubic root of 1220303000 is about 1068.6181830747.

Adding to 1220303000 its reverse (3030221), we get a palindrome (1223333221).

The spelling of 1220303000 in words is "one billion, two hundred twenty million, three hundred three thousand".