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20212200221202 = 23211131779250529
BaseRepresentation
bin1001001100010000001010…
…00000111010101000010010
32122120021012222121122100200
410212020011000322220102
510122124041224034302
6110553205005200030
74154166110110623
oct446100500725022
978507188548320
1020212200221202
116492a45103a80
122325314b60016
13b3800509b5c2
144dc3c0799a4a
15250b7442a81c
hex12620503aa12

20212200221202 has 48 divisors (see below), whose sum is σ = 48138980741280. Its totient is φ = 6078154118400.

The previous prime is 20212200221173. The next prime is 20212200221233.

20212200221202 is a `hidden beast` number, since 2 + 0 + 21 + 220 + 0 + 221 + 202 = 666.

20212200221202 is nontrivially palindromic in base 10.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 389599327 + ... + 389651202.

It is an arithmetic number, because the mean of its divisors is an integer number (1002895432110).

Almost surely, 220212200221202 is an apocalyptic number.

20212200221202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20212200221202 is an abundant number, since it is smaller than the sum of its proper divisors (27926780520078).

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

20212200221202 is a wasteful number, since it uses less digits than its factorization.

20212200221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779250679 (or 779250676 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

It can be divided in two parts, 20212200 and 221202, that added together give a palindrome (20433402).

The spelling of 20212200221202 in words is "twenty trillion, two hundred twelve billion, two hundred million, two hundred twenty-one thousand, two hundred two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 131 198 262 393 786 1179 1441 2358 2882 4323 8646 12969 25938 779250529 1558501058 2337751587 4675503174 7013254761 8571755819 14026509522 17143511638 25715267457 51430534914 77145802371 102081819299 154291604742 204163638598 306245457897 612490915794 918736373691 1122900012289 1837472747382 2245800024578 3368700036867 6737400073734 10106100110601 20212200221202