1000303320 has 64 divisors (see below), whose sum is σ = 3003498720. Its totient is φ = 266517504.

The previous prime is 1000303313. The next prime is 1000303321. The reversal of 1000303320 is 233030001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1000303296 and 1000303305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000303321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171492 + ... + 177228.

Almost surely, 2^1000303320 is an apocalyptic number.

1000303320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000303320 is an abundant number, since it is smaller than the sum of its proper divisors (2003195400).

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

1000303320 is a wasteful number, since it uses less digits than its factorization.

1000303320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7204 (or 7200 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 1000303320 is about 31627.5721483645. The cubic root of 1000303320 is about 1000.1010964458.

Adding to 1000303320 its reverse (233030001), we get a palindrome (1233333321).

The spelling of 1000303320 in words is "one billion, three hundred three thousand, three hundred twenty".