| Base | Representation |
|---|---|
| bin | 111111001111011… |
| … | …1001110010001100 |
| 3 | 12110212222022012212 |
| 4 | 1332132321302030 |
| 5 | 13321214431340 |
| 6 | 550322245552 |
| 7 | 103404650012 |
| oct | 17636716214 |
| 9 | 5425868185 |
| 10 | 2122030220 |
| 11 | 999915792 |
| 12 | 4b27b68b8 |
| 13 | 27a8323ab |
| 14 | 161b828b2 |
| 15 | c6469a65 |
| hex | 7e7b9c8c |
2122030220 has 48 divisors (see below), whose sum is σ = 4576535040. Its totient is φ = 826047936.
The previous prime is 2122030217. The next prime is 2122030223. The reversal of 2122030220 is 220302212.
It is an interprime number because it is at equal distance from previous prime (2122030217) and next prime (2122030223).
It is a junction number, because it is equal to n+sod(n) for n = 2122030195 and 2122030204.
It is not an unprimeable number, because it can be changed into a prime (2122030223) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 239021 + ... + 247739.
It is an arithmetic number, because the mean of its divisors is an integer number (95344480).
Almost surely, 22122030220 is an apocalyptic number.
2122030220 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 2122030220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2288267520).
2122030220 is an abundant number, since it is smaller than the sum of its proper divisors (2454504820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2122030220 is a wasteful number, since it uses less digits than its factorization.
2122030220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9054 (or 9052 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 14.
The square root of 2122030220 is about 46065.4992374988. The cubic root of 2122030220 is about 1285.0416031184.
Adding to 2122030220 its reverse (220302212), we get a palindrome (2342332432).
The spelling of 2122030220 in words is "two billion, one hundred twenty-two million, thirty thousand, two hundred twenty".
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