1330221120 has 56 divisors (see below), whose sum is σ = 4223455104. Its totient is φ = 354725376.

The previous prime is 1330221089. The next prime is 1330221127. The reversal of 1330221120 is 211220331.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1330221120.

It is not an unprimeable number, because it can be changed into a prime (1330221127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691864 + ... + 693783.

Almost surely, 2^1330221120 is an apocalyptic number.

1330221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330221120 is an abundant number, since it is smaller than the sum of its proper divisors (2893233984).

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

1330221120 is a wasteful number, since it uses less digits than its factorization.

1330221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385667 (or 1385657 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1330221120 is about 36472.1965337982. The cubic root of 1330221120 is about 1099.7853906394.

Adding to 1330221120 its reverse (211220331), we get a palindrome (1541441451).

The spelling of 1330221120 in words is "one billion, three hundred thirty million, two hundred twenty-one thousand, one hundred twenty".