320020330120 has 64 divisors (see below), whose sum is σ = 739096377840. Its totient is φ = 124662912000.

The previous prime is 320020330093. The next prime is 320020330121. The reversal of 320020330120 is 21033020023.

It can be written as a sum of positive squares in 8 ways, for example, as 223931489796 + 96088840324 = 473214^2 + 309982^2 .

It is a super-2 number, since 2×320020330120² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320020330094 and 320020330103.

It is not an unprimeable number, because it can be changed into a prime (320020330121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402847 + ... + 895726.

Almost surely, 2^320020330120 is an apocalyptic number.

It is an amenable number.

320020330120 is an abundant number, since it is smaller than the sum of its proper divisors (419076047720).

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

320020330120 is a wasteful number, since it uses less digits than its factorization.

320020330120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298746 (or 1298742 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 320020330120 its reverse (21033020023), we get a palindrome (341053350143).

It can be divided in two parts, 3200203 and 30120, that added together give a palindrome (3230323).

The spelling of 320020330120 in words is "three hundred twenty billion, twenty million, three hundred thirty thousand, one hundred twenty".