2133322320 has 160 divisors (see below), whose sum is σ = 6880273920. Its totient is φ = 546324480.

The previous prime is 2133322309. The next prime is 2133322351. The reversal of 2133322320 is 232233312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 700000 + ... + 703040.

It is an arithmetic number, because the mean of its divisors is an integer number (43001712).

Almost surely, 2^2133322320 is an apocalyptic number.

2133322320 is a gapful number since it is divisible by the number (20) 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 2133322320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3440136960).

2133322320 is an abundant number, since it is smaller than the sum of its proper divisors (4746951600).

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

2133322320 is a wasteful number, since it uses less digits than its factorization.

2133322320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173 (or 3167 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 2133322320 is about 46187.9023121856. The cubic root of 2133322320 is about 1287.3169642086.

Adding to 2133322320 its reverse (232233312), we get a palindrome (2365555632).

The spelling of 2133322320 in words is "two billion, one hundred thirty-three million, three hundred twenty-two thousand, three hundred twenty".