Base | Representation |
---|---|
bin | 11010001110100… |
… | …11110111101111 |
3 | 120100000011222120 |
4 | 31013103313233 |
5 | 422311121312 |
6 | 33455444023 |
7 | 5311066221 |
oct | 1507236757 |
9 | 510004876 |
10 | 220020207 |
11 | 103217490 |
12 | 61826613 |
13 | 36776994 |
14 | 21314411 |
15 | 144b128c |
hex | d1d3def |
220020207 has 32 divisors (see below), whose sum is σ = 334540800. Its totient is φ = 127434720.
The previous prime is 220020191. The next prime is 220020217. The reversal of 220020207 is 702020022.
It is not a de Polignac number, because 220020207 - 24 = 220020191 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220020217) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 65044 + ... + 68342.
It is an arithmetic number, because the mean of its divisors is an integer number (10454400).
Almost surely, 2220020207 is an apocalyptic number.
220020207 is a deficient number, since it is larger than the sum of its proper divisors (114520593).
220020207 is a wasteful number, since it uses less digits than its factorization.
220020207 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3403.
The product of its (nonzero) digits is 112, while the sum is 15.
The square root of 220020207 is about 14833.0781363815. The cubic root of 220020207 is about 603.6995558161.
Adding to 220020207 its reverse (702020022), we get a palindrome (922040229).
The spelling of 220020207 in words is "two hundred twenty million, twenty thousand, two hundred seven".
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