Base | Representation |
---|---|
bin | 10010101110001011… |
… | …111000100110101010 |
3 | 1220212221212121000011 |
4 | 102232023320212222 |
5 | 312132132021302 |
6 | 13122420202134 |
7 | 1311103023661 |
oct | 225613704652 |
9 | 56787777004 |
10 | 20102220202 |
11 | 85861a7629 |
12 | 3a9023934a |
13 | 1b84917b6c |
14 | d89ad3dd8 |
15 | 7c9c0d5d7 |
hex | 4ae2f89aa |
20102220202 has 32 divisors (see below), whose sum is σ = 32190462720. Its totient is φ = 9394640640.
The previous prime is 20102220161. The next prime is 20102220217. The reversal of 20102220202 is 20202220102.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341824 + ... + 396292.
It is an arithmetic number, because the mean of its divisors is an integer number (1005951960).
Almost surely, 220102220202 is an apocalyptic number.
20102220202 is a deficient number, since it is larger than the sum of its proper divisors (12088242518).
20102220202 is a wasteful number, since it uses less digits than its factorization.
20102220202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54678.
The product of its (nonzero) digits is 64, while the sum is 13.
Adding to 20102220202 its reverse (20202220102), we get a palindrome (40304440304).
The spelling of 20102220202 in words is "twenty billion, one hundred two million, two hundred twenty thousand, two hundred two".
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