320422202120 has 16 divisors (see below), whose sum is σ = 720949954860. Its totient is φ = 128168880832.

The previous prime is 320422202083. The next prime is 320422202123. The reversal of 320422202120 is 21202224023.

It can be written as a sum of positive squares in 2 ways, for example, as 319679421604 + 742780516 = 565402^2 + 27254^2 .

It is a super-2 number, since 2×320422202120² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 320422202092 and 320422202101.

It is not an unprimeable number, because it can be changed into a prime (320422202123) 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 3 ways as a sum of consecutive naturals, for example, 4005277487 + ... + 4005277566.

Almost surely, 2^320422202120 is an apocalyptic number.

It is an amenable number.

320422202120 is an abundant number, since it is smaller than the sum of its proper divisors (400527752740).

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

320422202120 is a wasteful number, since it uses less digits than its factorization.

320422202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8010555064 (or 8010555060 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 320422202120 its reverse (21202224023), we get a palindrome (341624426143).

The spelling of 320422202120 in words is "three hundred twenty billion, four hundred twenty-two million, two hundred two thousand, one hundred twenty".