20244424220 has 12 divisors (see below), whose sum is σ = 42513290904. Its totient is φ = 8097769680.

The previous prime is 20244424219. The next prime is 20244424283. The reversal of 20244424220 is 2242444202.

It is a self number, because there is not a number n which added to its sum of digits gives 20244424220.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 506110586 + ... + 506110625.

It is an arithmetic number, because the mean of its divisors is an integer number (3542774242).

Almost surely, 2^20244424220 is an apocalyptic number.

20244424220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20244424220 is an abundant number, since it is smaller than the sum of its proper divisors (22268866684).

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

20244424220 is a wasteful number, since it uses less digits than its factorization.

20244424220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012221220 (or 1012221218 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 20244424220 its reverse (2242444202), we get a palindrome (22486868422).

It can be divided in two parts, 2024 and 4424220, that added together give a palindrome (4426244).

The spelling of 20244424220 in words is "twenty billion, two hundred forty-four million, four hundred twenty-four thousand, two hundred twenty".