320030101221320 has 64 divisors (see below), whose sum is σ = 822947627623680. Its totient is φ = 109722861916416.

The previous prime is 320030101221293. The next prime is 320030101221353. The reversal of 320030101221320 is 23122101030023.

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 = 320030101221292 and 320030101221301.

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 15 ways as a sum of consecutive naturals, for example, 8622662 + ... + 26728458.

It is an arithmetic number, because the mean of its divisors is an integer number (12858556681620).

Almost surely, 2^{320030101221320} is an apocalyptic number.

It is an amenable number.

320030101221320 is an abundant number, since it is smaller than the sum of its proper divisors (502917526402360).

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

320030101221320 is a wasteful number, since it uses less digits than its factorization.

320030101221320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18168942 (or 18168938 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 320030101221320 its reverse (23122101030023), we get a palindrome (343152202251343).

The spelling of 320030101221320 in words is "three hundred twenty trillion, thirty billion, one hundred one million, two hundred twenty-one thousand, three hundred twenty".