200202121112220 has 144 divisors (see below), whose sum is σ = 614958635360160. Its totient is φ = 52712925216768.

The previous prime is 200202121112141. The next prime is 200202121112249. The reversal of 200202121112220 is 22211121202002.

It is a happy number.

200202121112220 is a `hidden beast` number, since 20 + 0 + 202 + 1 + 211 + 12 + 220 = 666.

200202121112220 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 = 200202121112193 and 200202121112202.

It is a congruent number.

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, 21404916 + ... + 29301444.

It is an arithmetic number, because the mean of its divisors is an integer number (4270546078890).

Almost surely, 2^{200202121112220} is an apocalyptic number.

200202121112220 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 200202121112220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307479317680080).

200202121112220 is an abundant number, since it is smaller than the sum of its proper divisors (414756514247940).

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

200202121112220 is a wasteful number, since it uses less digits than its factorization.

200202121112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7898324 (or 7898319 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 200202121112220 its reverse (22211121202002), we get a palindrome (222413242314222).

The spelling of 200202121112220 in words is "two hundred trillion, two hundred two billion, one hundred twenty-one million, one hundred twelve thousand, two hundred twenty".