320022221012002 has 16 divisors (see below), whose sum is σ = 489091134829752. Its totient is φ = 156991849780480.

The previous prime is 320022221011993. The next prime is 320022221012047. The reversal of 320022221012002 is 200210122220023.

It can be written as a sum of positive squares in 4 ways, for example, as 297648100655361 + 22374120356641 = 17252481^2 + 4730129^2 .

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, 155149578 + ... + 157198714.

Almost surely, 2^{320022221012002} is an apocalyptic number.

320022221012002 is a deficient number, since it is larger than the sum of its proper divisors (169068913817750).

320022221012002 is a wasteful number, since it uses less digits than its factorization.

320022221012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3522533.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 320022221012002 its reverse (200210122220023), we get a palindrome (520232343232025).

The spelling of 320022221012002 in words is "three hundred twenty trillion, twenty-two billion, two hundred twenty-one million, twelve thousand, two".