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20210022212202 = 2323730345378697
BaseRepresentation
bin1001001100001100000110…
…01100011110001001101010
32122120001121012022022200200
410212012003030132021222
510122110111141242302
6110552204523013030
74154061122252304
oct446060314361152
978501535268620
1020210022212202
116492027734639
122324a0766a176
13b37a48a99694
144dc255404974
15250a9810481c
hex12618331e26a

20210022212202 has 24 divisors (see below), whose sum is σ = 44971851230436. Its totient is φ = 6554601798336.

The previous prime is 20210022212197. The next prime is 20210022212269. The reversal of 20210022212202 is 20221222001202.

20210022212202 is a `hidden beast` number, since 20 + 210 + 0 + 22 + 212 + 202 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19692213883281 + 517808328921 = 4437591^2 + 719589^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15172688683 + ... + 15172690014.

Almost surely, 220210022212202 is an apocalyptic number.

20210022212202 is an abundant number, since it is smaller than the sum of its proper divisors (24761829018234).

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

20210022212202 is a wasteful number, since it uses less digits than its factorization.

20210022212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30345378742 (or 30345378739 counting only the distinct ones).

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

Adding to 20210022212202 its reverse (20221222001202), we get a palindrome (40431244213404).

The spelling of 20210022212202 in words is "twenty trillion, two hundred ten billion, twenty-two million, two hundred twelve thousand, two hundred two".

Divisors: 1 2 3 6 9 18 37 74 111 222 333 666 30345378697 60690757394 91036136091 182072272182 273108408273 546216816546 1122779011789 2245558023578 3368337035367 6736674070734 10105011106101 20210022212202