Base | Representation |
---|---|
bin | 10010101001010010… |
… | …010010000011010110 |
3 | 1220200020011221111010 |
4 | 102221102102003112 |
5 | 312000110324342 |
6 | 13110322153050 |
7 | 1306054200441 |
oct | 225122220326 |
9 | 56606157433 |
10 | 20020011222 |
11 | 8543857822 |
12 | 3a687b2786 |
13 | 1b708931b3 |
14 | d7cc14658 |
15 | 7c28c029c |
hex | 4a94920d6 |
20020011222 has 8 divisors (see below), whose sum is σ = 40040022456. Its totient is φ = 6673337072.
The previous prime is 20020011211. The next prime is 20020011229. The reversal of 20020011222 is 22211002002.
It is a sphenic number, since it is the product of 3 distinct primes.
20020011222 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 20020011198 and 20020011207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20020011229) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1668334263 + ... + 1668334274.
It is an arithmetic number, because the mean of its divisors is an integer number (5005002807).
Almost surely, 220020011222 is an apocalyptic number.
20020011222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20020011222 is a wasteful number, since it uses less digits than its factorization.
20020011222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3336668542.
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 20020011222 its reverse (22211002002), we get a palindrome (42231013224).
The spelling of 20020011222 in words is "twenty billion, twenty million, eleven thousand, two hundred twenty-two".
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