2001320232 has 32 divisors (see below), whose sum is σ = 5138527200. Its totient is φ = 649076544.

The previous prime is 2001320231. The next prime is 2001320261. The reversal of 2001320232 is 2320231002.

It is not an unprimeable number, because it can be changed into a prime (2001320231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1125982 + ... + 1127757.

It is an arithmetic number, because the mean of its divisors is an integer number (160578975).

Almost surely, 2^2001320232 is an apocalyptic number.

It is an amenable number.

2001320232 is an abundant number, since it is smaller than the sum of its proper divisors (3137206968).

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

2001320232 is a wasteful number, since it uses less digits than its factorization.

2001320232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253785 (or 2253781 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2001320232 is about 44736.1177573557. The cubic root of 2001320232 is about 1260.1982202635.

Adding to 2001320232 its reverse (2320231002), we get a palindrome (4321551234).

The spelling of 2001320232 in words is "two billion, one million, three hundred twenty thousand, two hundred thirty-two".