2113320 has 64 divisors (see below), whose sum is σ = 6920640. Its totient is φ = 512000.

The previous prime is 2113291. The next prime is 2113333. The reversal of 2113320 is 233112.

It is a happy number.

It is a super-2 number, since 2×2113320² = 8932242844800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2113296 and 2113305.

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, 520 + ... + 2120.

It is an arithmetic number, because the mean of its divisors is an integer number (108135).

2^2113320 is an apocalyptic number.

2113320 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 2113320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3460320).

2113320 is an abundant number, since it is smaller than the sum of its proper divisors (4807320).

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

2113320 is a wasteful number, since it uses less digits than its factorization.

2113320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626 (or 1622 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2113320 is about 1453.7262465815. The cubic root of 2113320 is about 128.3280970859.

Adding to 2113320 its reverse (233112), we get a palindrome (2346432).

The spelling of 2113320 in words is "two million, one hundred thirteen thousand, three hundred twenty".