21325030200566 has 8 divisors (see below), whose sum is σ = 32191287628080. Its totient is φ = 10594600991208.

The previous prime is 21325030200563. The next prime is 21325030200601. The reversal of 21325030200566 is 66500203052312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×21325030200566³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21325030200563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33957054146 + ... + 33957054773.

It is an arithmetic number, because the mean of its divisors is an integer number (4023910953510).

Almost surely, 2^{21325030200566} is an apocalyptic number.

21325030200566 is a deficient number, since it is larger than the sum of its proper divisors (10866257427514).

21325030200566 is a wasteful number, since it uses less digits than its factorization.

21325030200566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67914109078.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 21325030200566 its reverse (66500203052312), we get a palindrome (87825233252878).

The spelling of 21325030200566 in words is "twenty-one trillion, three hundred twenty-five billion, thirty million, two hundred thousand, five hundred sixty-six".