21333550200 has 48 divisors (see below), whose sum is σ = 66134007480. Its totient is φ = 5688946560.

The previous prime is 21333550141. The next prime is 21333550219. The reversal of 21333550200 is 205533312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 17777359 + ... + 17778558.

Almost surely, 2^21333550200 is an apocalyptic number.

21333550200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21333550200 is an abundant number, since it is smaller than the sum of its proper divisors (44800457280).

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

21333550200 is a wasteful number, since it uses less digits than its factorization.

21333550200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35555936 (or 35555927 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The spelling of 21333550200 in words is "twenty-one billion, three hundred thirty-three million, five hundred fifty thousand, two hundred".