20320222033 has 2 divisors, whose sum is σ = 20320222034. Its totient is φ = 20320222032.

The previous prime is 20320221991. The next prime is 20320222051. The reversal of 20320222033 is 33022202302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13070891584 + 7249330449 = 114328^2 + 85143^2 .

It is a cyclic number.

It is not a de Polignac number, because 20320222033 - 2⁹ = 20320221521 is a prime.

It is a super-2 number, since 2×20320222033² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20320222033.

It is not a weakly prime, because it can be changed into another prime (20320222073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10160111016 + 10160111017.

It is an arithmetic number, because the mean of its divisors is an integer number (10160111017).

Almost surely, 2^20320222033 is an apocalyptic number.

It is an amenable number.

20320222033 is a deficient number, since it is larger than the sum of its proper divisors (1).

20320222033 is an equidigital number, since it uses as much as digits as its factorization.

20320222033 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 19.

Adding to 20320222033 its reverse (33022202302), we get a palindrome (53342424335).

The spelling of 20320222033 in words is "twenty billion, three hundred twenty million, two hundred twenty-two thousand, thirty-three".