21322020020233 has 2 divisors, whose sum is σ = 21322020020234. Its totient is φ = 21322020020232.

The previous prime is 21322020020207. The next prime is 21322020020251. The reversal of 21322020020233 is 33202002022312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11935560124944 + 9386459895289 = 3454788^2 + 3063733^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21322020020233 is a prime.

It is not a weakly prime, because it can be changed into another prime (21322020020333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10661010010116 + 10661010010117.

It is an arithmetic number, because the mean of its divisors is an integer number (10661010010117).

Almost surely, 2^{21322020020233} is an apocalyptic number.

It is an amenable number.

21322020020233 is a deficient number, since it is larger than the sum of its proper divisors (1).

21322020020233 is an equidigital number, since it uses as much as digits as its factorization.

21322020020233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 21322020020233 its reverse (33202002022312), we get a palindrome (54524022042545).

The spelling of 21322020020233 in words is "twenty-one trillion, three hundred twenty-two billion, twenty million, twenty thousand, two hundred thirty-three".