21200003330 has 16 divisors (see below), whose sum is σ = 41629097664. Its totient is φ = 7709092080.

The previous prime is 21200003317. The next prime is 21200003353. The reversal of 21200003330 is 3330000212.

It is a super-2 number, since 2×21200003330² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96363542 + ... + 96363761.

It is an arithmetic number, because the mean of its divisors is an integer number (2601818604).

Almost surely, 2^21200003330 is an apocalyptic number.

21200003330 is a deficient number, since it is larger than the sum of its proper divisors (20429094334).

21200003330 is a wasteful number, since it uses less digits than its factorization.

21200003330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192727321.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 21200003330 its reverse (3330000212), we get a palindrome (24530003542).

The spelling of 21200003330 in words is "twenty-one billion, two hundred million, three thousand, three hundred thirty".