20224043320 has 32 divisors (see below), whose sum is σ = 49004413920. Its totient is φ = 7467338880.

The previous prime is 20224043317. The next prime is 20224043321. The reversal of 20224043320 is 2334042202.

It is a junction number, because it is equal to n+sod(n) for n = 20224043291 and 20224043300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20224043321) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19445676 + ... + 19446715.

It is an arithmetic number, because the mean of its divisors is an integer number (1531387935).

Almost surely, 2^20224043320 is an apocalyptic number.

20224043320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20224043320 is an abundant number, since it is smaller than the sum of its proper divisors (28780370600).

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

20224043320 is a wasteful number, since it uses less digits than its factorization.

20224043320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38892415 (or 38892411 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 20224043320 its reverse (2334042202), we get a palindrome (22558085522).

The spelling of 20224043320 in words is "twenty billion, two hundred twenty-four million, forty-three thousand, three hundred twenty".