21410220324 has 48 divisors (see below), whose sum is σ = 50401806336. Its totient is φ = 7073337600.

The previous prime is 21410220301. The next prime is 21410220371. The reversal of 21410220324 is 42302201412.

It is a self number, because there is not a number n which added to its sum of digits gives 21410220324.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1610344 + ... + 1623584.

It is an arithmetic number, because the mean of its divisors is an integer number (1050037632).

Almost surely, 2^21410220324 is an apocalyptic number.

It is an amenable number.

21410220324 is an abundant number, since it is smaller than the sum of its proper divisors (28991586012).

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

21410220324 is a wasteful number, since it uses less digits than its factorization.

21410220324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14436 (or 14434 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 21410220324 its reverse (42302201412), we get a palindrome (63712421736).

The spelling of 21410220324 in words is "twenty-one billion, four hundred ten million, two hundred twenty thousand, three hundred twenty-four".