| Base | Representation |
|---|---|
| bin | 1010000110101111111011… |
| … | …01000010010101001110100 |
| 3 | 2220200102011211012021212000 |
| 4 | 11003113331220102221310 |
| 5 | 10403041400440120040 |
| 6 | 115132411303255300 |
| 7 | 4452331606032465 |
| oct | 503277550225164 |
| 9 | 86612154167760 |
| 10 | 22222121020020 |
| 11 | 7098391a93849 |
| 12 | 25aa96744a530 |
| 13 | c526c9aac51c |
| 14 | 56b7b0a72d6c |
| 15 | 2880ad36e130 |
| hex | 1435fda12a74 |
22222121020020 has 192 divisors, whose sum is σ = 70231800038400. Its totient is φ = 5832091774080.
The previous prime is 22222121020007. The next prime is 22222121020037. The reversal of 22222121020020 is 2002012122222.
22222121020020 is a `hidden beast` number, since 2 + 222 + 212 + 10 + 200 + 20 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 22222121019975 and 22222121020002.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39190891 + ... + 39753869.
It is an arithmetic number, because the mean of its divisors is an integer number (365790625200).
Almost surely, 222222121020020 is an apocalyptic number.
22222121020020 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 22222121020020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35115900019200).
22222121020020 is an abundant number, since it is smaller than the sum of its proper divisors (48009679018380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22222121020020 is a wasteful number, since it uses less digits than its factorization.
22222121020020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 564155 (or 564147 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
Adding to 22222121020020 its reverse (2002012122222), we get a palindrome (24224133142242).
The spelling of 22222121020020 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred twenty-one million, twenty thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •