320025204 has 72 divisors (see below), whose sum is σ = 871153920. Its totient is φ = 98687232.

The previous prime is 320025203. The next prime is 320025217. The reversal of 320025204 is 402520023.

320025204 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×320025204² = 204832262390483232, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320025203) 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 23 ways as a sum of consecutive naturals, for example, 31677 + ... + 40539.

It is an arithmetic number, because the mean of its divisors is an integer number (12099360).

Almost surely, 2^320025204 is an apocalyptic number.

320025204 is a gapful number since it is divisible by the number (34) 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 320025204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435576960).

320025204 is an abundant number, since it is smaller than the sum of its proper divisors (551128716).

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

320025204 is a wasteful number, since it uses less digits than its factorization.

320025204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8949 (or 8944 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 320025204 is about 17889.2482793437. The cubic root of 320025204 is about 684.0083357966.

Adding to 320025204 its reverse (402520023), we get a palindrome (722545227).

The spelling of 320025204 in words is "three hundred twenty million, twenty-five thousand, two hundred four".