21032030200 has 48 divisors (see below), whose sum is σ = 48918219480. Its totient is φ = 8409586560.

The previous prime is 21032030177. The next prime is 21032030237. The reversal of 21032030200 is 203023012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 541842 + ... + 579358.

Almost surely, 2^21032030200 is an apocalyptic number.

21032030200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21032030200 is an abundant number, since it is smaller than the sum of its proper divisors (27886189280).

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

21032030200 is a wasteful number, since it uses less digits than its factorization.

21032030200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40336 (or 40327 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 21032030200 its reverse (203023012), we get a palindrome (21235053212).

The spelling of 21032030200 in words is "twenty-one billion, thirty-two million, thirty thousand, two hundred".