20424203224 has 64 divisors (see below), whose sum is σ = 39349152000. Its totient is φ = 9935260800.

The previous prime is 20424203203. The next prime is 20424203227. The reversal of 20424203224 is 42230242402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20424203227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36277167 + ... + 36277729.

It is an arithmetic number, because the mean of its divisors is an integer number (614830500).

Almost surely, 2^20424203224 is an apocalyptic number.

It is an amenable number.

20424203224 is a deficient number, since it is larger than the sum of its proper divisors (18924948776).

20424203224 is a wasteful number, since it uses less digits than its factorization.

20424203224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288 (or 1284 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 20424203224 its reverse (42230242402), we get a palindrome (62654445626).

The spelling of 20424203224 in words is "twenty billion, four hundred twenty-four million, two hundred three thousand, two hundred twenty-four".