200020221323424 has 192 divisors, whose sum is σ = 608850573972480. Its totient is φ = 63764780808960.

The previous prime is 200020221323399. The next prime is 200020221323443. The reversal of 200020221323424 is 424323122020002.

200020221323424 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 2 + 0 + 2 + 213 + 23 + 424 = 666.

It is a super-2 number, since 2×200020221323424² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129333279 + ... + 130870689.

It is an arithmetic number, because the mean of its divisors is an integer number (3171096739440).

Almost surely, 2^{200020221323424} is an apocalyptic number.

200020221323424 is a gapful number since it is divisible by the number (24) 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 200020221323424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304425286986240).

200020221323424 is an abundant number, since it is smaller than the sum of its proper divisors (408830352649056).

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

200020221323424 is a wasteful number, since it uses less digits than its factorization.

200020221323424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544000 (or 1543986 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 200020221323424 its reverse (424323122020002), we get a palindrome (624343343343426).

The spelling of 200020221323424 in words is "two hundred trillion, twenty billion, two hundred twenty-one million, three hundred twenty-three thousand, four hundred twenty-four".