20140067 has 2 divisors, whose sum is σ = 20140068. Its totient is φ = 20140066.

The previous prime is 20140031. The next prime is 20140069. The reversal of 20140067 is 76004102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20140067 - 2¹⁴ = 20123683 is a prime.

Together with 20140069, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20140069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10070033 + 10070034.

It is an arithmetic number, because the mean of its divisors is an integer number (10070034).

Almost surely, 2^20140067 is an apocalyptic number.

20140067 is a deficient number, since it is larger than the sum of its proper divisors (1).

20140067 is an equidigital number, since it uses as much as digits as its factorization.

20140067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 20140067 is about 4487.7685992038. The cubic root of 20140067 is about 272.0739553443.

Adding to 20140067 its reverse (76004102), we get a palindrome (96144169).

The spelling of 20140067 in words is "twenty million, one hundred forty thousand, sixty-seven".