20503468227 has 16 divisors (see below), whose sum is σ = 29825827200. Its totient is φ = 12425260800.

The previous prime is 20503468213. The next prime is 20503468229. The reversal of 20503468227 is 72286430502.

It is not a de Polignac number, because 20503468227 - 2¹⁰ = 20503467203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20503468229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525024 + ... + 562722.

It is an arithmetic number, because the mean of its divisors is an integer number (1864114200).

Almost surely, 2^20503468227 is an apocalyptic number.

20503468227 is a deficient number, since it is larger than the sum of its proper divisors (9322358973).

20503468227 is a wasteful number, since it uses less digits than its factorization.

20503468227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54194.

The product of its (nonzero) digits is 161280, while the sum is 39.

Adding to 20503468227 its reverse (72286430502), we get a palindrome (92789898729).

The spelling of 20503468227 in words is "twenty billion, five hundred three million, four hundred sixty-eight thousand, two hundred twenty-seven".