20345110067 has 2 divisors, whose sum is σ = 20345110068. Its totient is φ = 20345110066.

The previous prime is 20345110039. The next prime is 20345110129. The reversal of 20345110067 is 76001154302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20345110067 - 2¹⁴ = 20345093683 is a prime.

It is not a weakly prime, because it can be changed into another prime (20345110367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10172555033 + 10172555034.

It is an arithmetic number, because the mean of its divisors is an integer number (10172555034).

Almost surely, 2^20345110067 is an apocalyptic number.

20345110067 is a deficient number, since it is larger than the sum of its proper divisors (1).

20345110067 is an equidigital number, since it uses as much as digits as its factorization.

20345110067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

Adding to 20345110067 its reverse (76001154302), we get a palindrome (96346264369).

The spelling of 20345110067 in words is "twenty billion, three hundred forty-five million, one hundred ten thousand, sixty-seven".