206220456229 has 2 divisors, whose sum is σ = 206220456230. Its totient is φ = 206220456228.

The previous prime is 206220456223. The next prime is 206220456251. The reversal of 206220456229 is 922654022602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191017073025 + 15203383204 = 437055^2 + 123302^2 .

It is a cyclic number.

It is not a de Polignac number, because 206220456229 - 2⁹ = 206220455717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 206220456191 and 206220456200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206220456223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103110228114 + 103110228115.

It is an arithmetic number, because the mean of its divisors is an integer number (103110228115).

Almost surely, 2^206220456229 is an apocalyptic number.

It is an amenable number.

206220456229 is a deficient number, since it is larger than the sum of its proper divisors (1).

206220456229 is an equidigital number, since it uses as much as digits as its factorization.

206220456229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 206220456229 in words is "two hundred six billion, two hundred twenty million, four hundred fifty-six thousand, two hundred twenty-nine".