2002123332 has 120 divisors (see below), whose sum is σ = 5736642912. Its totient is φ = 603849600.

The previous prime is 2002123267. The next prime is 2002123351. The reversal of 2002123332 is 2333212002.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 829207 + ... + 831617.

Almost surely, 2^2002123332 is an apocalyptic number.

2002123332 is a gapful number since it is divisible by the number (22) 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 2002123332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2868321456).

2002123332 is an abundant number, since it is smaller than the sum of its proper divisors (3734519580).

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

2002123332 is a wasteful number, since it uses less digits than its factorization.

2002123332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2671 (or 2660 counting only the distinct ones).

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

The square root of 2002123332 is about 44745.0928259178. The cubic root of 2002123332 is about 1260.3667639794.

Adding to 2002123332 its reverse (2333212002), we get a palindrome (4335335334).

The spelling of 2002123332 in words is "two billion, two million, one hundred twenty-three thousand, three hundred thirty-two".