21200210330 has 32 divisors (see below), whose sum is σ = 41419413504. Its totient is φ = 7766127936.

The previous prime is 21200210323. The next prime is 21200210363. The reversal of 21200210330 is 3301200212.

It is a happy 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, 625532 + ... + 658551.

It is an arithmetic number, because the mean of its divisors is an integer number (1294356672).

Almost surely, 2^21200210330 is an apocalyptic number.

21200210330 is a deficient number, since it is larger than the sum of its proper divisors (20219203174).

21200210330 is a wasteful number, since it uses less digits than its factorization.

21200210330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284230.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 21200210330 its reverse (3301200212), we get a palindrome (24501410542).

The spelling of 21200210330 in words is "twenty-one billion, two hundred million, two hundred ten thousand, three hundred thirty".