21301412024 has 32 divisors (see below), whose sum is σ = 40042747920. Its totient is φ = 10623384576.

The previous prime is 21301412017. The next prime is 21301412039. The reversal of 21301412024 is 42021410312.

It is a junction number, because it is equal to n+sod(n) for n = 21301411987 and 21301412005.

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 7 ways as a sum of consecutive naturals, for example, 8213672 + ... + 8216264.

Almost surely, 2^21301412024 is an apocalyptic number.

It is an amenable number.

21301412024 is a deficient number, since it is larger than the sum of its proper divisors (18741335896).

21301412024 is a wasteful number, since it uses less digits than its factorization.

21301412024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4839 (or 4835 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 21301412024 its reverse (42021410312), we get a palindrome (63322822336).

The spelling of 21301412024 in words is "twenty-one billion, three hundred one million, four hundred twelve thousand, twenty-four".