20332222213 has 2 divisors, whose sum is σ = 20332222214. Its totient is φ = 20332222212.

The previous prime is 20332222199. The next prime is 20332222237. The reversal of 20332222213 is 31222223302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19172002369 + 1160219844 = 138463^2 + 34062^2 .

It is a cyclic number.

It is not a de Polignac number, because 20332222213 - 2⁵ = 20332222181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20332222013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166111106 + 10166111107.

It is an arithmetic number, because the mean of its divisors is an integer number (10166111107).

Almost surely, 2^20332222213 is an apocalyptic number.

It is an amenable number.

20332222213 is a deficient number, since it is larger than the sum of its proper divisors (1).

20332222213 is an equidigital number, since it uses as much as digits as its factorization.

20332222213 is an evil number, because the sum of its binary digits is even.

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

Adding to 20332222213 its reverse (31222223302), we get a palindrome (51554445515).

It can be divided in two parts, 20 and 332222213, that added together give a palindrome (332222233).

The spelling of 20332222213 in words is "twenty billion, three hundred thirty-two million, two hundred twenty-two thousand, two hundred thirteen".