20343221100200 has 192 divisors, whose sum is σ = 48062171949120. Its totient is φ = 8006684672000.

The previous prime is 20343221100179. The next prime is 20343221100247. The reversal of 20343221100200 is 200112234302.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4539881960 + ... + 4539886440.

It is an arithmetic number, because the mean of its divisors is an integer number (250323812235).

Almost surely, 2^{20343221100200} is an apocalyptic number.

20343221100200 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 20343221100200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24031085974560).

20343221100200 is an abundant number, since it is smaller than the sum of its proper divisors (27718950848920).

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

20343221100200 is a wasteful number, since it uses less digits than its factorization.

20343221100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5628 (or 5619 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20343221100200 its reverse (200112234302), we get a palindrome (20543333334502).

The spelling of 20343221100200 in words is "twenty trillion, three hundred forty-three billion, two hundred twenty-one million, one hundred thousand, two hundred".