320120336066025 has 48 divisors (see below), whose sum is σ = 581534496910080. Its totient is φ = 154093242158400.

The previous prime is 320120336066017. The next prime is 320120336066039. The reversal of 320120336066025 is 520660633021023.

It is not a de Polignac number, because 320120336066025 - 2³ = 320120336066017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1395657447 + ... + 1395886796.

It is an arithmetic number, because the mean of its divisors is an integer number (12115302018960).

Almost surely, 2^{320120336066025} is an apocalyptic number.

It is an amenable number.

320120336066025 is a deficient number, since it is larger than the sum of its proper divisors (261414160844055).

320120336066025 is a wasteful number, since it uses less digits than its factorization.

320120336066025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791544406 (or 2791544401 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 39.

Adding to 320120336066025 its reverse (520660633021023), we get a palindrome (840780969087048).

The spelling of 320120336066025 in words is "three hundred twenty trillion, one hundred twenty billion, three hundred thirty-six million, sixty-six thousand, twenty-five".