| Base | Representation |
|---|---|
| bin | 110010000011000010010111… |
| … | …001110110010100010000100 |
| 3 | 1001212100102000112002222212000 |
| 4 | 302003002113032302202010 |
| 5 | 212322244332413101040 |
| 6 | 2100045335053425300 |
| 7 | 64235332204216515 |
| oct | 6203022716624204 |
| 9 | 1055312015088760 |
| 10 | 220111021222020 |
| 11 | 64152618219735 |
| 12 | 2082aba779b230 |
| 13 | 95a84c34ca3a6 |
| 14 | 3c4d604938a0c |
| 15 | 1a6a8d59e2130 |
| hex | c830973b2884 |
220111021222020 has 192 divisors, whose sum is σ = 701568306028800. Its totient is φ = 57258429742080.
The previous prime is 220111021222013. The next prime is 220111021222031. The reversal of 220111021222020 is 20222120111022.
It is a happy number.
220111021222020 is a `hidden beast` number, since 2 + 201 + 1 + 10 + 212 + 220 + 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 = 220111021221984 and 220111021222002.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 204856951 + ... + 205928609.
It is an arithmetic number, because the mean of its divisors is an integer number (3654001593900).
Almost surely, 2220111021222020 is an apocalyptic number.
220111021222020 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 220111021222020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350784153014400).
220111021222020 is an abundant number, since it is smaller than the sum of its proper divisors (481457284806780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220111021222020 is a wasteful number, since it uses less digits than its factorization.
220111021222020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1080995 (or 1080987 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 220111021222020 its reverse (20222120111022), we get a palindrome (240333141333042).
The spelling of 220111021222020 in words is "two hundred twenty trillion, one hundred eleven billion, twenty-one million, two hundred twenty-two thousand, twenty".
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