10820656332229 has 2 divisors, whose sum is σ = 10820656332230. Its totient is φ = 10820656332228.

The previous prime is 10820656332191. The next prime is 10820656332281. The reversal of 10820656332229 is 92223365602801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6870678955204 + 3949977377025 = 2621198^2 + 1987455^2 .

It is a cyclic number.

It is not a de Polignac number, because 10820656332229 - 2²³ = 10820647943621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10820656333229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5410328166114 + 5410328166115.

It is an arithmetic number, because the mean of its divisors is an integer number (5410328166115).

Almost surely, 2^{10820656332229} is an apocalyptic number.

It is an amenable number.

10820656332229 is a deficient number, since it is larger than the sum of its proper divisors (1).

10820656332229 is an equidigital number, since it uses as much as digits as its factorization.

10820656332229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 10820656332229 in words is "ten trillion, eight hundred twenty billion, six hundred fifty-six million, three hundred thirty-two thousand, two hundred twenty-nine".