20867084207 has 2 divisors, whose sum is σ = 20867084208. Its totient is φ = 20867084206.

The previous prime is 20867084201. The next prime is 20867084233. The reversal of 20867084207 is 70248076802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20867084207 - 2⁶ = 20867084143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20867084201) 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, 10433542103 + 10433542104.

It is an arithmetic number, because the mean of its divisors is an integer number (10433542104).

Almost surely, 2^20867084207 is an apocalyptic number.

20867084207 is a deficient number, since it is larger than the sum of its proper divisors (1).

20867084207 is an equidigital number, since it uses as much as digits as its factorization.

20867084207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 301056, while the sum is 44.

The spelling of 20867084207 in words is "twenty billion, eight hundred sixty-seven million, eighty-four thousand, two hundred seven".