320510420016 has 20 divisors (see below), whose sum is σ = 827985251832. Its totient is φ = 106836806656.

The previous prime is 320510420011. The next prime is 320510420107. The reversal of 320510420016 is 610024015023.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (320510420011) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3338650161 + ... + 3338650256.

Almost surely, 2^320510420016 is an apocalyptic number.

It is an amenable number.

320510420016 is an abundant number, since it is smaller than the sum of its proper divisors (507474831816).

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

320510420016 is a wasteful number, since it uses less digits than its factorization.

320510420016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6677300428 (or 6677300422 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 320510420016 its reverse (610024015023), we get a palindrome (930534435039).

The spelling of 320510420016 in words is "three hundred twenty billion, five hundred ten million, four hundred twenty thousand, sixteen".