21341303200 has 216 divisors, whose sum is σ = 60775922592. Its totient is φ = 7296468480.

The previous prime is 21341303189. The next prime is 21341303213. The reversal of 21341303200 is 230314312.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22069117 + ... + 22070083.

It is an arithmetic number, because the mean of its divisors is an integer number (281370012).

Almost surely, 2^21341303200 is an apocalyptic number.

21341303200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21341303200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30387961296).

21341303200 is an abundant number, since it is smaller than the sum of its proper divisors (39434619392).

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

21341303200 is a wasteful number, since it uses less digits than its factorization.

21341303200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564 (or 1544 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21341303200 its reverse (230314312), we get a palindrome (21571617512).

The spelling of 21341303200 in words is "twenty-one billion, three hundred forty-one million, three hundred three thousand, two hundred".