322120323220 has 12 divisors (see below), whose sum is σ = 676452678804. Its totient is φ = 128848129280.

The previous prime is 322120323211. The next prime is 322120323223. The reversal of 322120323220 is 22323021223.

It can be written as a sum of positive squares in 2 ways, for example, as 52483144464 + 269637178756 = 229092^2 + 519266^2 .

It is a junction number, because it is equal to n+sod(n) for n = 322120323191 and 322120323200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322120323223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8053008061 + ... + 8053008100.

It is an arithmetic number, because the mean of its divisors is an integer number (56371056567).

Almost surely, 2^322120323220 is an apocalyptic number.

It is an amenable number.

322120323220 is an abundant number, since it is smaller than the sum of its proper divisors (354332355584).

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

322120323220 is a wasteful number, since it uses less digits than its factorization.

322120323220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16106016170 (or 16106016168 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 322120323220 its reverse (22323021223), we get a palindrome (344443344443).

It can be divided in two parts, 3221203 and 23220, that added together give a palindrome (3244423).

The spelling of 322120323220 in words is "three hundred twenty-two billion, one hundred twenty million, three hundred twenty-three thousand, two hundred twenty".