320424030 has 96 divisors (see below), whose sum is σ = 852508800. Its totient is φ = 83483136.

The previous prime is 320424011. The next prime is 320424031. The reversal of 320424030 is 30424023.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 320423994 and 320424012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320424031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 872907 + ... + 873273.

It is an arithmetic number, because the mean of its divisors is an integer number (8880300).

Almost surely, 2^320424030 is an apocalyptic number.

320424030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 320424030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426254400).

320424030 is an abundant number, since it is smaller than the sum of its proper divisors (532084770).

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

320424030 is a wasteful number, since it uses less digits than its factorization.

320424030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 320424030 is about 17900.3918951513. The cubic root of 320424030 is about 684.2923624496.

Adding to 320424030 its reverse (30424023), we get a palindrome (350848053).

The spelling of 320424030 in words is "three hundred twenty million, four hundred twenty-four thousand, thirty".