21074730602200 has 192 divisors, whose sum is σ = 54139634841600. Its totient is φ = 7565157350400.

The previous prime is 21074730602173. The next prime is 21074730602203. The reversal of 21074730602200 is 220603747012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21074730602203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1900845057 + ... + 1900856143.

It is an arithmetic number, because the mean of its divisors is an integer number (281977264800).

Almost surely, 2^{21074730602200} is an apocalyptic number.

21074730602200 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 21074730602200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27069817420800).

21074730602200 is an abundant number, since it is smaller than the sum of its proper divisors (33064904239400).

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

21074730602200 is a wasteful number, since it uses less digits than its factorization.

21074730602200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22130 (or 22121 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The spelling of 21074730602200 in words is "twenty-one trillion, seventy-four billion, seven hundred thirty million, six hundred two thousand, two hundred".