Base | Representation |
---|---|
bin | 10010101110101001… |
… | …101000111001111110 |
3 | 1220220111112212121210 |
4 | 102232221220321332 |
5 | 312141131121342 |
6 | 13123255305250 |
7 | 1311226231365 |
oct | 225651507176 |
9 | 56814485553 |
10 | 20110020222 |
11 | 858a644926 |
12 | 3a9297b226 |
13 | 1b86419266 |
14 | d8ab647dc |
15 | 7ca74e79c |
hex | 4aea68e7e |
20110020222 has 64 divisors (see below), whose sum is σ = 43345152000. Its totient is φ = 6197368320.
The previous prime is 20110020221. The next prime is 20110020263. The reversal of 20110020222 is 22202001102.
It is a junction number, because it is equal to n+sod(n) for n = 20110020198 and 20110020207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20110020221) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1597272 + ... + 1609812.
It is an arithmetic number, because the mean of its divisors is an integer number (677268000).
Almost surely, 220110020222 is an apocalyptic number.
20110020222 is an abundant number, since it is smaller than the sum of its proper divisors (23235131778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20110020222 is a wasteful number, since it uses less digits than its factorization.
20110020222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12841.
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 20110020222 its reverse (22202001102), we get a palindrome (42312021324).
The spelling of 20110020222 in words is "twenty billion, one hundred ten million, twenty thousand, two hundred twenty-two".
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