21303201220324 has 12 divisors (see below), whose sum is σ = 37290835650544. Its totient is φ = 10648676748744.

The previous prime is 21303201220313. The next prime is 21303201220337. The reversal of 21303201220324 is 42302210230312.

It is a super-2 number, since 2×21303201220324² (a number of 27 digits) contains 22 as substring.

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, 730948962 + ... + 730978105.

Almost surely, 2^{21303201220324} is an apocalyptic number.

It is an amenable number.

21303201220324 is a deficient number, since it is larger than the sum of its proper divisors (15987634430220).

21303201220324 is a wasteful number, since it uses less digits than its factorization.

21303201220324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461930714 (or 1461930712 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 21303201220324 its reverse (42302210230312), we get a palindrome (63605411450636).

The spelling of 21303201220324 in words is "twenty-one trillion, three hundred three billion, two hundred one million, two hundred twenty thousand, three hundred twenty-four".