320012103020 has 24 divisors (see below), whose sum is σ = 672453251568. Its totient is φ = 127923348800.

The previous prime is 320012103013. The next prime is 320012103029. The reversal of 320012103020 is 20301210023.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 320012102986 and 320012103004.

It is not an unprimeable number, because it can be changed into a prime (320012103029) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5061071 + ... + 5123910.

It is an arithmetic number, because the mean of its divisors is an integer number (28018885482).

Almost surely, 2^320012103020 is an apocalyptic number.

It is an amenable number.

320012103020 is an abundant number, since it is smaller than the sum of its proper divisors (352441148548).

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

320012103020 is a wasteful number, since it uses less digits than its factorization.

320012103020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10186561 (or 10186559 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 320012103020 its reverse (20301210023), we get a palindrome (340313313043).

The spelling of 320012103020 in words is "three hundred twenty billion, twelve million, one hundred three thousand, twenty".