20006700067 has 2 divisors, whose sum is σ = 20006700068. Its totient is φ = 20006700066.

The previous prime is 20006700037. The next prime is 20006700079. The reversal of 20006700067 is 76000760002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20006700067 - 2¹⁵ = 20006667299 is a prime.

It is not a weakly prime, because it can be changed into another prime (20006700037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10003350033 + 10003350034.

It is an arithmetic number, because the mean of its divisors is an integer number (10003350034).

Almost surely, 2^20006700067 is an apocalyptic number.

20006700067 is a deficient number, since it is larger than the sum of its proper divisors (1).

20006700067 is an equidigital number, since it uses as much as digits as its factorization.

20006700067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 28.

The spelling of 20006700067 in words is "twenty billion, six million, seven hundred thousand, sixty-seven".