2320420 has 24 divisors (see below), whose sum is σ = 4907448. Its totient is φ = 921600.

The previous prime is 2320399. The next prime is 2320421. The reversal of 2320420 is 240232.

2320420 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 106276 + 2214144 = 326^2 + 1488^2 .

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 2320420.

It is not an unprimeable number, because it can be changed into a prime (2320421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3300 + ... + 3940.

It is an arithmetic number, because the mean of its divisors is an integer number (204477).

2^2320420 is an apocalyptic number.

2320420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2320420 is an abundant number, since it is smaller than the sum of its proper divisors (2587028).

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

2320420 is a wasteful number, since it uses less digits than its factorization.

2320420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831 (or 829 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 2320420 is about 1523.2924866880. The cubic root of 2320420 is about 132.3901070546.

Adding to 2320420 its reverse (240232), we get a palindrome (2560652).

The spelling of 2320420 in words is "two million, three hundred twenty thousand, four hundred twenty".