20231260005 has 64 divisors (see below), whose sum is σ = 35802881280. Its totient is φ = 9673728000.

The previous prime is 20231260001. The next prime is 20231260033. The reversal of 20231260005 is 50006213202.

It is not a de Polignac number, because 20231260005 - 2² = 20231260001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231260001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4480629 + ... + 4485141.

It is an arithmetic number, because the mean of its divisors is an integer number (559420020).

Almost surely, 2^20231260005 is an apocalyptic number.

It is an amenable number.

20231260005 is a deficient number, since it is larger than the sum of its proper divisors (15571621275).

20231260005 is a wasteful number, since it uses less digits than its factorization.

20231260005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4902.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 20231260005 its reverse (50006213202), we get a palindrome (70237473207).

The spelling of 20231260005 in words is "twenty billion, two hundred thirty-one million, two hundred sixty thousand, five".