| Base | Representation |
|---|---|
| bin | 1010000110110000000100… |
| … | …11101111101111111010100 |
| 3 | 2220200102101110221122212200 |
| 4 | 11003120002131331333110 |
| 5 | 10403042032230400040 |
| 6 | 115132423323244500 |
| 7 | 4452333613042044 |
| oct | 503300235757724 |
| 9 | 86612343848780 |
| 10 | 22222202200020 |
| 11 | 70984238a0559 |
| 12 | 25aa98a679730 |
| 13 | c52710863a24 |
| 14 | 56b7bb765724 |
| 15 | 2880b5557630 |
| hex | 14360277dfd4 |
22222202200020 has 144 divisors (see below), whose sum is σ = 69263362441728. Its totient is φ = 5762912590080.
The previous prime is 22222202200013. The next prime is 22222202200021. The reversal of 22222202200020 is 2000220222222.
22222202200020 is a `hidden beast` number, since 2 + 222 + 220 + 2 + 200 + 0 + 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 = 22222202199966 and 22222202200002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22222202200021) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12676765 + ... + 14322875.
It is an arithmetic number, because the mean of its divisors is an integer number (480995572512).
Almost surely, 222222202200020 is an apocalyptic number.
22222202200020 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 22222202200020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34631681220864).
22222202200020 is an abundant number, since it is smaller than the sum of its proper divisors (47041160241708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22222202200020 is a wasteful number, since it uses less digits than its factorization.
22222202200020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1648190 (or 1648185 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 18.
Adding to 22222202200020 its reverse (2000220222222), we get a palindrome (24222422422242).
The spelling of 22222202200020 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred two million, two hundred thousand, twenty".
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