20095000243 has 2 divisors, whose sum is σ = 20095000244. Its totient is φ = 20095000242.

The previous prime is 20095000201. The next prime is 20095000291. The reversal of 20095000243 is 34200059002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20095000243 - 2⁹ = 20094999731 is a prime.

It is not a weakly prime, because it can be changed into another prime (20095000543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10047500121 + 10047500122.

It is an arithmetic number, because the mean of its divisors is an integer number (10047500122).

Almost surely, 2^20095000243 is an apocalyptic number.

20095000243 is a deficient number, since it is larger than the sum of its proper divisors (1).

20095000243 is an equidigital number, since it uses as much as digits as its factorization.

20095000243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 20095000243 its reverse (34200059002), we get a palindrome (54295059245).

The spelling of 20095000243 in words is "twenty billion, ninety-five million, two hundred forty-three", and thus it is an aban number.