Base | Representation |
---|---|
bin | 10010110100000101… |
… | …011101101001001111 |
3 | 1221010212010022001021 |
4 | 102310011131221033 |
5 | 312333001401312 |
6 | 13140313455011 |
7 | 1313414240266 |
oct | 226405355117 |
9 | 57125108037 |
10 | 20201200207 |
11 | 8627061791 |
12 | 3ab9411467 |
13 | 1b9c292306 |
14 | d98cdb5dd |
15 | 7d3760c07 |
hex | 4b415da4f |
20201200207 has 2 divisors, whose sum is σ = 20201200208. Its totient is φ = 20201200206.
The previous prime is 20201200199. The next prime is 20201200223. The reversal of 20201200207 is 70200210202.
It is an a-pointer prime, because the next prime (20201200223) can be obtained adding 20201200207 to its sum of digits (16).
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 20201200207 - 23 = 20201200199 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20201200247) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100600103 + 10100600104.
It is an arithmetic number, because the mean of its divisors is an integer number (10100600104).
Almost surely, 220201200207 is an apocalyptic number.
20201200207 is a deficient number, since it is larger than the sum of its proper divisors (1).
20201200207 is an equidigital number, since it uses as much as digits as its factorization.
20201200207 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 112, while the sum is 16.
Adding to 20201200207 its reverse (70200210202), we get a palindrome (90401410409).
The spelling of 20201200207 in words is "twenty billion, two hundred one million, two hundred thousand, two hundred seven".
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