10820605847 has 2 divisors, whose sum is σ = 10820605848. Its totient is φ = 10820605846.

The previous prime is 10820605823. The next prime is 10820605853. The reversal of 10820605847 is 74850602801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10820605847 - 2⁸ = 10820605591 is a prime.

It is a super-2 number, since 2×10820605847² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10820605877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5410302923 + 5410302924.

It is an arithmetic number, because the mean of its divisors is an integer number (5410302924).

Almost surely, 2^10820605847 is an apocalyptic number.

10820605847 is a deficient number, since it is larger than the sum of its proper divisors (1).

10820605847 is an equidigital number, since it uses as much as digits as its factorization.

10820605847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 10820605847 in words is "ten billion, eight hundred twenty million, six hundred five thousand, eight hundred forty-seven".