1001233320 has 64 divisors (see below), whose sum is σ = 3084894720. Its totient is φ = 259778304.

The previous prime is 1001233307. The next prime is 1001233351. The reversal of 1001233320 is 233321001.

It is a super-2 number, since 2×1001233320² = 2004936322156444800, which contains 22 as substring.

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 1001233320.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108312 + ... + 117191.

It is an arithmetic number, because the mean of its divisors is an integer number (48201480).

Almost surely, 2^1001233320 is an apocalyptic number.

1001233320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001233320 is an abundant number, since it is smaller than the sum of its proper divisors (2083661400).

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

1001233320 is a wasteful number, since it uses less digits than its factorization.

1001233320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225554 (or 225550 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1001233320 is about 31642.2710942183. The cubic root of 1001233320 is about 1000.4109377737.

Adding to 1001233320 its reverse (233321001), we get a palindrome (1234554321).

The spelling of 1001233320 in words is "one billion, one million, two hundred thirty-three thousand, three hundred twenty".