1020666067 has 2 divisors, whose sum is σ = 1020666068. Its totient is φ = 1020666066.

The previous prime is 1020666011. The next prime is 1020666083. The reversal of 1020666067 is 7606660201.

1020666067 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020666067 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020666167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510333033 + 510333034.

It is an arithmetic number, because the mean of its divisors is an integer number (510333034).

Almost surely, 2^1020666067 is an apocalyptic number.

1020666067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020666067 is an equidigital number, since it uses as much as digits as its factorization.

1020666067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 1020666067 is about 31947.8648269333. The cubic root of 1020666067 is about 1006.8417723964.

The spelling of 1020666067 in words is "one billion, twenty million, six hundred sixty-six thousand, sixty-seven".