| Base | Representation |
|---|---|
| bin | 10010110101100101… |
| … | …110000101111010000 |
| 3 | 1221012121121211100110 |
| 4 | 102311211300233100 |
| 5 | 312410432203430 |
| 6 | 13143014521320 |
| 7 | 1314141640122 |
| oct | 226545605720 |
| 9 | 57177554313 |
| 10 | 20226444240 |
| 11 | 863a333a22 |
| 12 | 3b05966240 |
| 13 | 1ba4590602 |
| 14 | d9c3cd212 |
| 15 | 7d5a9a7b0 |
| hex | 4b5970bd0 |
20226444240 has 80 divisors (see below), whose sum is σ = 62841960000. Its totient is φ = 5381677056.
The previous prime is 20226444179. The next prime is 20226444247. The reversal of 20226444240 is 4244462202.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-5 number, since 5×202264442405 (a number of 53 digits) contains 55555 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 20226444198 and 20226444207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20226444247) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13911 + ... + 201609.
It is an arithmetic number, because the mean of its divisors is an integer number (785524500).
Almost surely, 220226444240 is an apocalyptic number.
20226444240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20226444240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31420980000).
20226444240 is an abundant number, since it is smaller than the sum of its proper divisors (42615515760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20226444240 is a wasteful number, since it uses less digits than its factorization.
20226444240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 188164 (or 188158 counting only the distinct ones).
The product of its (nonzero) digits is 24576, while the sum is 30.
The spelling of 20226444240 in words is "twenty billion, two hundred twenty-six million, four hundred forty-four thousand, two hundred forty".
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