20296867 has 2 divisors, whose sum is σ = 20296868. Its totient is φ = 20296866.

The previous prime is 20296849. The next prime is 20296873. The reversal of 20296867 is 76869202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20296867 - 2⁷ = 20296739 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20296877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10148433 + 10148434.

It is an arithmetic number, because the mean of its divisors is an integer number (10148434).

Almost surely, 2^20296867 is an apocalyptic number.

20296867 is a deficient number, since it is larger than the sum of its proper divisors (1).

20296867 is an equidigital number, since it uses as much as digits as its factorization.

20296867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 20296867 is about 4505.2044348731. The cubic root of 20296867 is about 272.7782058982.

The spelling of 20296867 in words is "twenty million, two hundred ninety-six thousand, eight hundred sixty-seven".