21301052204 has 24 divisors (see below), whose sum is σ = 37353326640. Its totient is φ = 10628698176.

The previous prime is 21301052191. The next prime is 21301052233. The reversal of 21301052204 is 40225010312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5791214 + ... + 5794890.

It is an arithmetic number, because the mean of its divisors is an integer number (1556388610).

Almost surely, 2^21301052204 is an apocalyptic number.

It is an amenable number.

21301052204 is a deficient number, since it is larger than the sum of its proper divisors (16052274436).

21301052204 is a wasteful number, since it uses less digits than its factorization.

21301052204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6257 (or 6255 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 21301052204 its reverse (40225010312), we get a palindrome (61526062516).

The spelling of 21301052204 in words is "twenty-one billion, three hundred one million, fifty-two thousand, two hundred four".