21300413204 has 48 divisors (see below), whose sum is σ = 42965508096. Its totient is φ = 9050940000.

The previous prime is 21300413171. The next prime is 21300413231. The reversal of 21300413204 is 40231400312.

It is a super-2 number, since 2×21300413204² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 1560449 + ... + 1574039.

It is an arithmetic number, because the mean of its divisors is an integer number (895114752).

Almost surely, 2^21300413204 is an apocalyptic number.

It is an amenable number.

21300413204 is an abundant number, since it is smaller than the sum of its proper divisors (21665094892).

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

21300413204 is a wasteful number, since it uses less digits than its factorization.

21300413204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14076 (or 14074 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21300413204 its reverse (40231400312), we get a palindrome (61531813516).

The spelling of 21300413204 in words is "twenty-one billion, three hundred million, four hundred thirteen thousand, two hundred four".