Base | Representation |
---|---|
bin | 111101101001101101001 |
3 | 10210122012021 |
4 | 13231031221 |
5 | 1004121301 |
6 | 111144441 |
7 | 23112541 |
oct | 7551551 |
9 | 3718167 |
10 | 2020201 |
11 | 115a897 |
12 | 815121 |
13 | 5596b1 |
14 | 3a8321 |
15 | 29d8a1 |
hex | 1ed369 |
2020201 has 8 divisors (see below), whose sum is σ = 2104704. Its totient is φ = 1937520.
The previous prime is 2020181. The next prime is 2020223. The reversal of 2020201 is 1020202.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2020201 - 211 = 2018153 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2020231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2086 + ... + 2896.
It is an arithmetic number, because the mean of its divisors is an integer number (263088).
22020201 is an apocalyptic number.
It is an amenable number.
2020201 is a deficient number, since it is larger than the sum of its proper divisors (84503).
2020201 is an equidigital number, since it uses as much as digits as its factorization.
2020201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 911.
The product of its (nonzero) digits is 8, while the sum is 7.
The square root of 2020201 is about 1421.3377501495. The cubic root of 2020201 is about 126.4148791770.
Adding to 2020201 its reverse (1020202), we get a palindrome (3040403).
Subtracting from 2020201 its reverse (1020202), we obtain a palindrome (999999).
The spelling of 2020201 in words is "two million, twenty thousand, two hundred one".
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