2321020332 has 144 divisors (see below), whose sum is σ = 6292540800. Its totient is φ = 747584640.

The previous prime is 2321020309. The next prime is 2321020337. The reversal of 2321020332 is 2330201232.

It is a happy number.

2321020332 is a `hidden beast` number, since 232 + 102 + 0 + 332 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2321020337) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5539219 + ... + 5539637.

It is an arithmetic number, because the mean of its divisors is an integer number (43698200).

Almost surely, 2^2321020332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2321020332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3146270400).

2321020332 is an abundant number, since it is smaller than the sum of its proper divisors (3971520468).

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

2321020332 is a wasteful number, since it uses less digits than its factorization.

2321020332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2321020332 is about 48176.9688959362. The cubic root of 2321020332 is about 1324.0152325870.

Adding to 2321020332 its reverse (2330201232), we get a palindrome (4651221564).

Subtracting 2321020332 from its reverse (2330201232), we obtain a square (9180900 = 3030²).

The spelling of 2321020332 in words is "two billion, three hundred twenty-one million, twenty thousand, three hundred thirty-two".