320425602 has 48 divisors (see below), whose sum is σ = 761374080. Its totient is φ = 89598432.

The previous prime is 320425597. The next prime is 320425603. The reversal of 320425602 is 206524023.

It is not an unprimeable number, because it can be changed into a prime (320425603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2224 + ... + 25412.

It is an arithmetic number, because the mean of its divisors is an integer number (15861960).

Almost surely, 2^320425602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320425602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380687040).

320425602 is an abundant number, since it is smaller than the sum of its proper divisors (440948478).

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

320425602 is a wasteful number, since it uses less digits than its factorization.

320425602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23255 (or 23248 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 320425602 is about 17900.4358047507. The cubic root of 320425602 is about 684.2934814937.

Adding to 320425602 its reverse (206524023), we get a palindrome (526949625).

The spelling of 320425602 in words is "three hundred twenty million, four hundred twenty-five thousand, six hundred two".