1220041330 has 32 divisors (see below), whose sum is σ = 2260113840. Its totient is φ = 473840640.

The previous prime is 1220041327. The next prime is 1220041337. The reversal of 1220041330 is 331400221.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 830650041 + 389391289 = 28821^2 + 19733^2 .

It is not an unprimeable number, because it can be changed into a prime (1220041337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189606 + ... + 195934.

Almost surely, 2^1220041330 is an apocalyptic number.

1220041330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220041330 is a deficient number, since it is larger than the sum of its proper divisors (1040072510).

1220041330 is a wasteful number, since it uses less digits than its factorization.

1220041330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6894.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1220041330 is about 34929.0900253642. The cubic root of 1220041330 is about 1068.5417962240.

Adding to 1220041330 its reverse (331400221), we get a palindrome (1551441551).

The spelling of 1220041330 in words is "one billion, two hundred twenty million, forty-one thousand, three hundred thirty".