Base | Representation |
---|---|
bin | 100110100100… |
… | …0100001101010 |
3 | 1102001021122021 |
4 | 1031020201222 |
5 | 20134020020 |
6 | 2001215054 |
7 | 333603316 |
oct | 115104152 |
9 | 42037567 |
10 | 20220010 |
11 | 10460658 |
12 | 693148a |
13 | 425c605 |
14 | 2984b46 |
15 | 1b961aa |
hex | 134886a |
20220010 has 16 divisors (see below), whose sum is σ = 36475272. Its totient is φ = 8070400.
The previous prime is 20220007. The next prime is 20220023. The reversal of 20220010 is 1002202.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 15437041 + 4782969 = 3929^2 + 2187^2 .
It is a junction number, because it is equal to n+sod(n) for n = 20219975 and 20220002.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3270 + ... + 7150.
Almost surely, 220220010 is an apocalyptic number.
20220010 is a deficient number, since it is larger than the sum of its proper divisors (16255262).
20220010 is a wasteful number, since it uses less digits than its factorization.
20220010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4409.
The product of its (nonzero) digits is 8, while the sum is 7.
The square root of 20220010 is about 4496.6665431184. Note that the first 3 decimals coincide. The cubic root of 20220010 is about 272.4334657863.
Adding to 20220010 its reverse (1002202), we get a palindrome (21222212).
The spelling of 20220010 in words is "twenty million, two hundred twenty thousand, ten".
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