322031322020 has 24 divisors (see below), whose sum is σ = 677771955000. Its totient is φ = 128525637632.

The previous prime is 322031322017. The next prime is 322031322143. The reversal of 322031322020 is 20223130223.

It can be written as a sum of positive squares in 4 ways, for example, as 5215439524 + 316815882496 = 72218^2 + 562864^2 .

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 = 322031321983 and 322031322001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17921495 + ... + 17939454.

It is an arithmetic number, because the mean of its divisors is an integer number (28240498125).

Almost surely, 2^322031322020 is an apocalyptic number.

It is an amenable number.

322031322020 is an abundant number, since it is smaller than the sum of its proper divisors (355740632980).

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

322031322020 is a wasteful number, since it uses less digits than its factorization.

322031322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35861407 (or 35861405 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 322031322020 its reverse (20223130223), we get a palindrome (342254452243).

The spelling of 322031322020 in words is "three hundred twenty-two billion, thirty-one million, three hundred twenty-two thousand, twenty".