Base | Representation |
---|---|
bin | 100110011000… |
… | …0101001011011 |
3 | 1101212022110210 |
4 | 1030300221123 |
5 | 20122402303 |
6 | 1555142203 |
7 | 333015213 |
oct | 114605133 |
9 | 41768423 |
10 | 20122203 |
11 | 103a4122 |
12 | 68a4963 |
13 | 4226c3a |
14 | 295b243 |
15 | 1b77203 |
hex | 1330a5b |
20122203 has 12 divisors (see below), whose sum is σ = 28501880. Its totient is φ = 12625152.
The previous prime is 20122199. The next prime is 20122213. The reversal of 20122203 is 30222102.
It is not a de Polignac number, because 20122203 - 22 = 20122199 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20122213) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10738 + ... + 12471.
Almost surely, 220122203 is an apocalyptic number.
20122203 is a deficient number, since it is larger than the sum of its proper divisors (8379677).
20122203 is a wasteful number, since it uses less digits than its factorization.
20122203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23246 (or 23229 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 20122203 is about 4485.7778589672. Note that the first 3 decimals coincide. The cubic root of 20122203 is about 271.9934894275.
Adding to 20122203 its reverse (30222102), we get a palindrome (50344305).
The spelling of 20122203 in words is "twenty million, one hundred twenty-two thousand, two hundred three".
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