320300122021320 has 128 divisors (see below), whose sum is σ = 1116784929254400. Its totient is φ = 71970584307456.

The previous prime is 320300122021309. The next prime is 320300122021441. The reversal of 320300122021320 is 23120221003023.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3231388314 + ... + 3231487433.

It is an arithmetic number, because the mean of its divisors is an integer number (8724882259800).

Almost surely, 2^{320300122021320} is an apocalyptic number.

320300122021320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320300122021320 is an abundant number, since it is smaller than the sum of its proper divisors (796484807233080).

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

320300122021320 is a wasteful number, since it uses less digits than its factorization.

320300122021320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6462875827 (or 6462875823 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 320300122021320 its reverse (23120221003023), we get a palindrome (343420343024343).

The spelling of 320300122021320 in words is "three hundred twenty trillion, three hundred billion, one hundred twenty-two million, twenty-one thousand, three hundred twenty".