Base | Representation |
---|---|
bin | 11101011001011110100… |
… | …111011000101100111101 |
3 | 21011010112202010111201200 |
4 | 131121132213120230331 |
5 | 231044403313342341 |
6 | 4144024400530113 |
7 | 265645661525640 |
oct | 35313647305475 |
9 | 7133482114650 |
10 | 2020222012221 |
11 | 709853727986 |
12 | 287648320939 |
13 | 118676c3258a |
14 | 6daca447a57 |
15 | 3783d49edb6 |
hex | 1d65e9d8b3d |
2020222012221 has 48 divisors (see below), whose sum is σ = 3399316502400. Its totient is φ = 1132156920960.
The previous prime is 2020222012219. The next prime is 2020222012273. The reversal of 2020222012221 is 1222102220202.
2020222012221 is a `hidden beast` number, since 20 + 202 + 220 + 1 + 2 + 221 = 666.
It is not a de Polignac number, because 2020222012221 - 21 = 2020222012219 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2020222012194 and 2020222012203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2020222012421) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7924855 + ... + 8175803.
It is an arithmetic number, because the mean of its divisors is an integer number (70819093800).
Almost surely, 22020222012221 is an apocalyptic number.
2020222012221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
2020222012221 is a deficient number, since it is larger than the sum of its proper divisors (1379094490179).
2020222012221 is a wasteful number, since it uses less digits than its factorization.
2020222012221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 253426 (or 253423 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
Adding to 2020222012221 its reverse (1222102220202), we get a palindrome (3242324232423).
The spelling of 2020222012221 in words is "two trillion, twenty billion, two hundred twenty-two million, twelve thousand, two hundred twenty-one".
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