329220064 has 24 divisors (see below), whose sum is σ = 670503960. Its totient is φ = 158933376.

The previous prime is 329220041. The next prime is 329220071. The reversal of 329220064 is 460022923.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176454 + ... + 178309.

It is an arithmetic number, because the mean of its divisors is an integer number (27937665).

Almost surely, 2^329220064 is an apocalyptic number.

It is an amenable number.

329220064 is an abundant number, since it is smaller than the sum of its proper divisors (341283896).

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

329220064 is a wasteful number, since it uses less digits than its factorization.

329220064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354802 (or 354794 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 329220064 is about 18144.4223936724. The cubic root of 329220064 is about 690.4974806265.

Adding to 329220064 its reverse (460022923), we get a palindrome (789242987).

The spelling of 329220064 in words is "three hundred twenty-nine million, two hundred twenty thousand, sixty-four".