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210200120212220 = 2251737739125917959
BaseRepresentation
bin101111110010110100000111…
…011111110011101011111100
31000120020221020210100102001122
4233302310013133303223330
5210022404321233242340
62023020334021130112
762163312634503065
oct5762640737635374
91016227223312048
10210200120212220
1160a81408a54806
121b6aa236b59938
139039a2b605c58
1439c9a50ba756c
151947bc2c9edb5
hexbf2d077f3afc

210200120212220 has 192 divisors, whose sum is σ = 481076330112000. Its totient is φ = 76825861779456.

The previous prime is 210200120212219. The next prime is 210200120212343. The reversal of 210200120212220 is 22212021002012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11704435601 + ... + 11704453559.

It is an arithmetic number, because the mean of its divisors is an integer number (2505605886000).

Almost surely, 2210200120212220 is an apocalyptic number.

210200120212220 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 210200120212220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240538165056000).

210200120212220 is an abundant number, since it is smaller than the sum of its proper divisors (270876209899780).

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

210200120212220 is a wasteful number, since it uses less digits than its factorization.

210200120212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20020 (or 20018 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 210200120212220 its reverse (22212021002012), we get a palindrome (232412141214232).

The spelling of 210200120212220 in words is "two hundred ten trillion, two hundred billion, one hundred twenty million, two hundred twelve thousand, two hundred twenty".