320010203202320 has 40 divisors (see below), whose sum is σ = 768024487691520. Its totient is φ = 123874917367680.

The previous prime is 320010203202317. The next prime is 320010203202331. The reversal of 320010203202320 is 23202302010023.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 320010203202292 and 320010203202301.

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 7 ways as a sum of consecutive naturals, for example, 64518183650 + ... + 64518188609.

It is an arithmetic number, because the mean of its divisors is an integer number (19200612192288).

Almost surely, 2^{320010203202320} is an apocalyptic number.

It is an amenable number.

320010203202320 is an abundant number, since it is smaller than the sum of its proper divisors (448014284489200).

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

320010203202320 is a wasteful number, since it uses less digits than its factorization.

320010203202320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129036372303 (or 129036372297 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 320010203202320 its reverse (23202302010023), we get a palindrome (343212505212343).

The spelling of 320010203202320 in words is "three hundred twenty trillion, ten billion, two hundred three million, two hundred two thousand, three hundred twenty".