320024420 has 48 divisors (see below), whose sum is σ = 684391680. Its totient is φ = 125680896.

The previous prime is 320024407. The next prime is 320024423. The reversal of 320024420 is 24420023.

320024420 is a modest number, since divided by 24420 gives 320 as remainder.

It is not an unprimeable number, because it can be changed into a prime (320024423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289589 + ... + 290691.

It is an arithmetic number, because the mean of its divisors is an integer number (14258160).

Almost surely, 2^320024420 is an apocalyptic number.

It is an amenable number.

320024420 is an abundant number, since it is smaller than the sum of its proper divisors (364367260).

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

320024420 is a wasteful number, since it uses less digits than its factorization.

320024420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364 (or 1362 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 320024420 is about 17889.2263667270. The cubic root of 320024420 is about 684.0077772334.

Adding to 320024420 its reverse (24420023), we get a palindrome (344444443).

The spelling of 320024420 in words is "three hundred twenty million, twenty-four thousand, four hundred twenty".