21433000024 has 16 divisors (see below), whose sum is σ = 40240973520. Its totient is φ = 10702073760.

The previous prime is 21433000013. The next prime is 21433000051. The reversal of 21433000024 is 42000033412.

It is a junction number, because it is equal to n+sod(n) for n = 21432999965 and 21433000010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1796967 + ... + 1808854.

It is an arithmetic number, because the mean of its divisors is an integer number (2515060845).

Almost surely, 2^21433000024 is an apocalyptic number.

It is an amenable number.

21433000024 is a deficient number, since it is larger than the sum of its proper divisors (18807973496).

21433000024 is a wasteful number, since it uses less digits than its factorization.

21433000024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606570 (or 3606566 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 21433000024 its reverse (42000033412), we get a palindrome (63433033436).

The spelling of 21433000024 in words is "twenty-one billion, four hundred thirty-three million, twenty-four", and thus it is an aban number.