200222020222020 has 144 divisors (see below), whose sum is σ = 611378957432880. Its totient is φ = 53037666459648.

The previous prime is 200222020222019. The next prime is 200222020222043. The reversal of 200222020222020 is 20222020222002.

200222020222020 is a `hidden beast` number, since 2 + 0 + 0 + 2 + 220 + 202 + 220 + 20 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 21480419844 + 200200539802176 = 146562^2 + 14149224^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 200222020221984 and 200222020222002.

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, 100552236 + ... + 102524124.

It is an arithmetic number, because the mean of its divisors is an integer number (4245687204395).

Almost surely, 2^{200222020222020} is an apocalyptic number.

200222020222020 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 200222020222020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305689478716440).

200222020222020 is an abundant number, since it is smaller than the sum of its proper divisors (411156937210860).

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

200222020222020 is a wasteful number, since it uses less digits than its factorization.

200222020222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975654 (or 1975649 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Subtracting from 200222020222020 its sum of digits (18), we obtain a palindrome (200222020222002).

Adding to 200222020222020 its reverse (20222020222002), we get a palindrome (220444040444022).

The spelling of 200222020222020 in words is "two hundred trillion, two hundred twenty-two billion, twenty million, two hundred twenty-two thousand, twenty".