20468827227 has 4 divisors (see below), whose sum is σ = 27291769640. Its totient is φ = 13645884816.

The previous prime is 20468827187. The next prime is 20468827229. The reversal of 20468827227 is 72272886402.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20468827227 - 2¹² = 20468823131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20468827229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3411471202 + ... + 3411471207.

It is an arithmetic number, because the mean of its divisors is an integer number (6822942410).

Almost surely, 2^20468827227 is an apocalyptic number.

20468827227 is a deficient number, since it is larger than the sum of its proper divisors (6822942413).

20468827227 is an equidigital number, since it uses as much as digits as its factorization.

20468827227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6822942412.

The product of its (nonzero) digits is 1204224, while the sum is 48.

The spelling of 20468827227 in words is "twenty billion, four hundred sixty-eight million, eight hundred twenty-seven thousand, two hundred twenty-seven".