20224244466 has 24 divisors (see below), whose sum is σ = 43919029440. Its totient is φ = 6726055896.

The previous prime is 20224244459. The next prime is 20224244483. The reversal of 20224244466 is 66444242202.

20224244466 is a `hidden beast` number, since 202 + 2 + 4 + 2 + 4 + 446 + 6 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20224244466.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1271790 + ... + 1287593.

It is an arithmetic number, because the mean of its divisors is an integer number (1829959560).

Almost surely, 2^20224244466 is an apocalyptic number.

20224244466 is an abundant number, since it is smaller than the sum of its proper divisors (23694784974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20224244466 is a wasteful number, since it uses less digits than its factorization.

20224244466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2559830 (or 2559827 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 20224244466 its reverse (66444242202), we get a palindrome (86668486668).

The spelling of 20224244466 in words is "twenty billion, two hundred twenty-four million, two hundred forty-four thousand, four hundred sixty-six".