21433410224 has 20 divisors (see below), whose sum is σ = 41955351144. Its totient is φ = 10606222848.

The previous prime is 21433410217. The next prime is 21433410239. The reversal of 21433410224 is 42201433412.

It is a junction number, because it is equal to n+sod(n) for n = 21433410193 and 21433410202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6903542 + ... + 6906645.

Almost surely, 2^21433410224 is an apocalyptic number.

It is an amenable number.

21433410224 is a deficient number, since it is larger than the sum of its proper divisors (20521940920).

21433410224 is a wasteful number, since it uses less digits than its factorization.

21433410224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13810292 (or 13810286 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 21433410224 its reverse (42201433412), we get a palindrome (63634843636).

The spelling of 21433410224 in words is "twenty-one billion, four hundred thirty-three million, four hundred ten thousand, two hundred twenty-four".