20134301243 has 24 divisors (see below), whose sum is σ = 23521950144. Its totient is φ = 17184182400.

The previous prime is 20134301183. The next prime is 20134301263. The reversal of 20134301243 is 34210343102.

It is not a de Polignac number, because 20134301243 - 2⁶ = 20134301179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20134301263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16355438 + ... + 16356668.

It is an arithmetic number, because the mean of its divisors is an integer number (980081256).

Almost surely, 2^20134301243 is an apocalyptic number.

20134301243 is a deficient number, since it is larger than the sum of its proper divisors (3387648901).

20134301243 is a wasteful number, since it uses less digits than its factorization.

20134301243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403 (or 2396 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20134301243 its reverse (34210343102), we get a palindrome (54344644345).

The spelling of 20134301243 in words is "twenty billion, one hundred thirty-four million, three hundred one thousand, two hundred forty-three".