1233330320 has 80 divisors (see below), whose sum is σ = 2907938880. Its totient is φ = 486431232.

The previous prime is 1233330289. The next prime is 1233330323. The reversal of 1233330320 is 230333321.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1233330320² = 3042207356462604800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1233330292 and 1233330301.

It is not an unprimeable number, because it can be changed into a prime (1233330323) 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, 2190359 + ... + 2190921.

It is an arithmetic number, because the mean of its divisors is an integer number (36349236).

Almost surely, 2^1233330320 is an apocalyptic number.

1233330320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1233330320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1453969440).

1233330320 is an abundant number, since it is smaller than the sum of its proper divisors (1674608560).

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

1233330320 is a wasteful number, since it uses less digits than its factorization.

1233330320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

The square root of 1233330320 is about 35118.8029408748. The cubic root of 1233330320 is about 1072.4074015862.

Adding to 1233330320 its reverse (230333321), we get a palindrome (1463663641).

The spelling of 1233330320 in words is "one billion, two hundred thirty-three million, three hundred thirty thousand, three hundred twenty".