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20220112202112 = 273237835715461
BaseRepresentation
bin1001001100011110111001…
…00110101110100110000000
32122121000122101101220202200
410212033130212232212000
510122241242210431422
6111000554042313200
74154566141615434
oct446173446564600
978530571356680
1020220112202112
116496335223379
1223269627b8800
13b38996304304
144dc9314b09c4
15250e88d3b2ac
hex1263dc9ae980

20220112202112 has 192 divisors, whose sum is σ = 60478046843760. Its totient is φ = 6478862561280.

The previous prime is 20220112202089. The next prime is 20220112202177. The reversal of 20220112202112 is 21120221102202.

It is a happy number.

20220112202112 is a `hidden beast` number, since 2 + 0 + 220 + 11 + 220 + 211 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

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

It is a congruent number.

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, 680062 + ... + 6395522.

Almost surely, 220220112202112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20220112202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30239023421880).

20220112202112 is an abundant number, since it is smaller than the sum of its proper divisors (40257934641648).

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

20220112202112 is a wasteful number, since it uses less digits than its factorization.

20220112202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5715601 (or 5715586 counting only the distinct ones).

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

Adding to 20220112202112 its reverse (21120221102202), we get a palindrome (41340333304314).

The spelling of 20220112202112 in words is "twenty trillion, two hundred twenty billion, one hundred twelve million, two hundred two thousand, one hundred twelve".