2113332320 has 96 divisors (see below), whose sum is σ = 5456989440. Its totient is φ = 767024640.

The previous prime is 2113332259. The next prime is 2113332343. The reversal of 2113332320 is 232333112.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2113332292 and 2113332301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1447751 + ... + 1449209.

It is an arithmetic number, because the mean of its divisors is an integer number (56843640).

Almost surely, 2^2113332320 is an apocalyptic number.

2113332320 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 2113332320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2728494720).

2113332320 is an abundant number, since it is smaller than the sum of its proper divisors (3343657120).

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

2113332320 is a wasteful number, since it uses less digits than its factorization.

2113332320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308 (or 2300 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2113332320 is about 45970.9943333837. The cubic root of 2113332320 is about 1283.2834645639.

Adding to 2113332320 its reverse (232333112), we get a palindrome (2345665432).

It can be divided in two parts, 2113 and 332320, that added together give a palindrome (334433).

The spelling of 2113332320 in words is "two billion, one hundred thirteen million, three hundred thirty-two thousand, three hundred twenty".