Base | Representation |
---|---|
bin | 100110001100… |
… | …0001011111010 |
3 | 1101200020000221 |
4 | 1030120023322 |
5 | 20111201020 |
6 | 1553050254 |
7 | 332120131 |
oct | 114301372 |
9 | 41606027 |
10 | 20022010 |
11 | 10335918 |
12 | 685698a |
13 | 41c0458 |
14 | 2932918 |
15 | 1b576aa |
hex | 13182fa |
20022010 has 16 divisors (see below), whose sum is σ = 37936800. Its totient is φ = 7587216.
The previous prime is 20021999. The next prime is 20022011. The reversal of 20022010 is 1022002.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 20021984 and 20022002.
It is not an unprimeable number, because it can be changed into a prime (20022011) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52500 + ... + 52879.
It is an arithmetic number, because the mean of its divisors is an integer number (2371050).
Almost surely, 220022010 is an apocalyptic number.
20022010 is a deficient number, since it is larger than the sum of its proper divisors (17914790).
20022010 is a wasteful number, since it uses less digits than its factorization.
20022010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105405.
The product of its (nonzero) digits is 8, while the sum is 7.
The square root of 20022010 is about 4474.5960711555. The cubic root of 20022010 is about 271.5412990410.
Adding to 20022010 its reverse (1022002), we get a palindrome (21044012).
The spelling of 20022010 in words is "twenty million, twenty-two thousand, ten".
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