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200212100202220 = 225438326952319937
BaseRepresentation
bin101101100001011110000011…
…000111001011111011101100
3222020220002102111120201000121
4231201132003013023323230
5202220233340122432340
61545452100304534324
760112563325302151
oct5541360307137354
9866802374521017
10200212100202220
1158880525055577
121a5565433213a4
138793bc6427412
143762462b68228
151822e9997894a
hexb617831cbeec

200212100202220 has 192 divisors, whose sum is σ = 437882809351680. Its totient is φ = 76841609306112.

The previous prime is 200212100202203. The next prime is 200212100202271. The reversal of 200212100202220 is 22202001212002.

It is a junction number, because it is equal to n+sod(n) for n = 200212100202194 and 200212100202203.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10042228092 + ... + 10042248028.

It is an arithmetic number, because the mean of its divisors is an integer number (2280639632040).

Almost surely, 2200212100202220 is an apocalyptic number.

200212100202220 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 200212100202220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218941404675840).

200212100202220 is an abundant number, since it is smaller than the sum of its proper divisors (237670709149460).

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

200212100202220 is a wasteful number, since it uses less digits than its factorization.

200212100202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20864 (or 20862 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 200212100202220 its reverse (22202001212002), we get a palindrome (222414101414222).

The spelling of 200212100202220 in words is "two hundred trillion, two hundred twelve billion, one hundred million, two hundred two thousand, two hundred twenty".