320520213350422 has 8 divisors (see below), whose sum is σ = 480781090066536. Its totient is φ = 160259849994912.

The previous prime is 320520213350419. The next prime is 320520213350443. The reversal of 320520213350422 is 224053312025023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126775443 + ... + 129278974.

It is an arithmetic number, because the mean of its divisors is an integer number (60097636258317).

Almost surely, 2^{320520213350422} is an apocalyptic number.

320520213350422 is a deficient number, since it is larger than the sum of its proper divisors (160260876716114).

320520213350422 is a wasteful number, since it uses less digits than its factorization.

320520213350422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256680302.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 320520213350422 its reverse (224053312025023), we get a palindrome (544573525375445).

The spelling of 320520213350422 in words is "three hundred twenty trillion, five hundred twenty billion, two hundred thirteen million, three hundred fifty thousand, four hundred twenty-two".