20032220213 has 2 divisors, whose sum is σ = 20032220214. Its totient is φ = 20032220212.

The previous prime is 20032220203. The next prime is 20032220297. The reversal of 20032220213 is 31202223002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18664477924 + 1367742289 = 136618^2 + 36983^2 .

It is a cyclic number.

It is not a de Polignac number, because 20032220213 - 2⁸ = 20032219957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20032220191 and 20032220200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20032220203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10016110106 + 10016110107.

It is an arithmetic number, because the mean of its divisors is an integer number (10016110107).

Almost surely, 2^20032220213 is an apocalyptic number.

It is an amenable number.

20032220213 is a deficient number, since it is larger than the sum of its proper divisors (1).

20032220213 is an equidigital number, since it uses as much as digits as its factorization.

20032220213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20032220213 its reverse (31202223002), we get a palindrome (51234443215).

The spelling of 20032220213 in words is "twenty billion, thirty-two million, two hundred twenty thousand, two hundred thirteen".