2109346320 has 160 divisors (see below), whose sum is σ = 6948126720. Its totient is φ = 528353280.

The previous prime is 2109346303. The next prime is 2109346333. The reversal of 2109346320 is 236439012.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 253425 + ... + 261615.

It is an arithmetic number, because the mean of its divisors is an integer number (43425792).

Almost surely, 2^2109346320 is an apocalyptic number.

2109346320 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 2109346320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3474063360).

2109346320 is an abundant number, since it is smaller than the sum of its proper divisors (4838780400).

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

2109346320 is a wasteful number, since it uses less digits than its factorization.

2109346320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8273 (or 8267 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 2109346320 is about 45927.6204478307. The cubic root of 2109346320 is about 1282.4761475829.

The spelling of 2109346320 in words is "two billion, one hundred nine million, three hundred forty-six thousand, three hundred twenty".