320213242552 has 32 divisors (see below), whose sum is σ = 686244445920. Its totient is φ = 137219604480.

The previous prime is 320213242543. The next prime is 320213242571. The reversal of 320213242552 is 255242312023.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232888 + ... + 833464.

It is an arithmetic number, because the mean of its divisors is an integer number (21445138935).

Almost surely, 2^320213242552 is an apocalyptic number.

It is an amenable number.

320213242552 is an abundant number, since it is smaller than the sum of its proper divisors (366031203368).

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

320213242552 is a wasteful number, since it uses less digits than its factorization.

320213242552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610111 (or 610107 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 320213242552 its reverse (255242312023), we get a palindrome (575455554575).

The spelling of 320213242552 in words is "three hundred twenty billion, two hundred thirteen million, two hundred forty-two thousand, five hundred fifty-two".