| Base | Representation |
|---|---|
| bin | 10010110101010001… |
| … | …000010000100101100 |
| 3 | 1221012020101202021110 |
| 4 | 102311101002010230 |
| 5 | 312403034311340 |
| 6 | 13142302232020 |
| 7 | 1314044515365 |
| oct | 226521020454 |
| 9 | 57166352243 |
| 10 | 20221010220 |
| 11 | 86372622a4 |
| 12 | 3b03b85610 |
| 13 | 1ba340a108 |
| 14 | d9b7b6b6c |
| 15 | 7d5375680 |
| hex | 4b544212c |
20221010220 has 96 divisors (see below), whose sum is σ = 58616183808. Its totient is φ = 5205192192.
The previous prime is 20221010219. The next prime is 20221010221. The reversal of 20221010220 is 2201012202.
It is an interprime number because it is at equal distance from previous prime (20221010219) and next prime (20221010221).
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 20221010196 and 20221010205.
It is not an unprimeable number, because it can be changed into a prime (20221010221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156747 + ... + 254973.
It is an arithmetic number, because the mean of its divisors is an integer number (610585248).
Almost surely, 220221010220 is an apocalyptic number.
20221010220 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 20221010220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29308091904).
20221010220 is an abundant number, since it is smaller than the sum of its proper divisors (38395173588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20221010220 is a wasteful number, since it uses less digits than its factorization.
20221010220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98359 (or 98357 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 20221010220 its reverse (2201012202), we get a palindrome (22422022422).
The spelling of 20221010220 in words is "twenty billion, two hundred twenty-one million, ten thousand, two hundred twenty".
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