1030221320 has 16 divisors (see below), whose sum is σ = 2317998060. Its totient is φ = 412088512.

The previous prime is 1030221319. The next prime is 1030221323. The reversal of 1030221320 is 231220301.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1028998084 + 1223236 = 32078^2 + 1106^2 .

It is a super-2 number, since 2×1030221320² = 2122711936365084800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1030221295 and 1030221304.

It is not an unprimeable number, because it can be changed into a prime (1030221323) 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 3 ways as a sum of consecutive naturals, for example, 12877727 + ... + 12877806.

Almost surely, 2^1030221320 is an apocalyptic number.

1030221320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030221320 is an abundant number, since it is smaller than the sum of its proper divisors (1287776740).

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

1030221320 is a wasteful number, since it uses less digits than its factorization.

1030221320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25755544 (or 25755540 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1030221320 is about 32097.0609246392. The cubic root of 1030221320 is about 1009.9739626657.

Adding to 1030221320 its reverse (231220301), we get a palindrome (1261441621).

The spelling of 1030221320 in words is "one billion, thirty million, two hundred twenty-one thousand, three hundred twenty".