220220033321 has 2 divisors, whose sum is σ = 220220033322. Its totient is φ = 220220033320.

The previous prime is 220220033227. The next prime is 220220033417. The reversal of 220220033321 is 123330022022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220031355625 + 188677696 = 469075^2 + 13736^2 .

It is a cyclic number.

It is not a de Polignac number, because 220220033321 - 2²⁶ = 220152924457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220220033293 and 220220033302.

It is not a weakly prime, because it can be changed into another prime (220220033021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110110016660 + 110110016661.

It is an arithmetic number, because the mean of its divisors is an integer number (110110016661).

Almost surely, 2^220220033321 is an apocalyptic number.

It is an amenable number.

220220033321 is a deficient number, since it is larger than the sum of its proper divisors (1).

220220033321 is an equidigital number, since it uses as much as digits as its factorization.

220220033321 is an odious number, because the sum of its binary digits is odd.

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

Adding to 220220033321 its reverse (123330022022), we get a palindrome (343550055343).

The spelling of 220220033321 in words is "two hundred twenty billion, two hundred twenty million, thirty-three thousand, three hundred twenty-one".