322220312020 has 12 divisors (see below), whose sum is σ = 676662655284. Its totient is φ = 128888124800.

The previous prime is 322220311943. The next prime is 322220312023. The reversal of 322220312020 is 20213022223.

It can be written as a sum of positive squares in 2 ways, for example, as 140364121104 + 181856190916 = 374652^2 + 426446^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322220312023) 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, 8055507781 + ... + 8055507820.

It is an arithmetic number, because the mean of its divisors is an integer number (56388554607).

Almost surely, 2^322220312020 is an apocalyptic number.

It is an amenable number.

322220312020 is an abundant number, since it is smaller than the sum of its proper divisors (354442343264).

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

322220312020 is a wasteful number, since it uses less digits than its factorization.

322220312020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16111015610 (or 16111015608 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 322220312020 its reverse (20213022223), we get a palindrome (342433334243).

The spelling of 322220312020 in words is "three hundred twenty-two billion, two hundred twenty million, three hundred twelve thousand, twenty".