2001320333232 has 80 divisors (see below), whose sum is σ = 5792519350272. Its totient is φ = 590069871360.

The previous prime is 2001320333219. The next prime is 2001320333239. The reversal of 2001320333232 is 2323330231002.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2001320333239) 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, 51201808 + ... + 51240879.

Almost surely, 2^{2001320333232} is an apocalyptic number.

2001320333232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2001320333232 is an abundant number, since it is smaller than the sum of its proper divisors (3791199017040).

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

2001320333232 is a wasteful number, since it uses less digits than its factorization.

2001320333232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102442746 (or 102442740 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 2001320333232 its reverse (2323330231002), we get a palindrome (4324650564234).

The spelling of 2001320333232 in words is "two trillion, one billion, three hundred twenty million, three hundred thirty-three thousand, two hundred thirty-two".