20448318226 has 32 divisors (see below), whose sum is σ = 35407911168. Its totient is φ = 8675553600.

The previous prime is 20448318223. The next prime is 20448318251. The reversal of 20448318226 is 62281384402.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (20448318223) 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 15 ways as a sum of consecutive naturals, for example, 602896 + ... + 635908.

It is an arithmetic number, because the mean of its divisors is an integer number (1106497224).

Almost surely, 2^20448318226 is an apocalyptic number.

20448318226 is a deficient number, since it is larger than the sum of its proper divisors (14959592942).

20448318226 is a wasteful number, since it uses less digits than its factorization.

20448318226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33466.

The product of its (nonzero) digits is 147456, while the sum is 40.

The spelling of 20448318226 in words is "twenty billion, four hundred forty-eight million, three hundred eighteen thousand, two hundred twenty-six".