Base | Representation |
---|---|
bin | 10010101001011010… |
… | …010000110010110100 |
3 | 1220200101010020011112 |
4 | 102221122100302310 |
5 | 312001124300340 |
6 | 13110435054152 |
7 | 1306111032530 |
oct | 225132206264 |
9 | 56611106145 |
10 | 20022103220 |
11 | 8544a56549 |
12 | 3a69441358 |
13 | 1b71146472 |
14 | d7d1dabc0 |
15 | 7c2b85065 |
hex | 4a9690cb4 |
20022103220 has 48 divisors (see below), whose sum is σ = 48502177920. Its totient is φ = 6800559744.
The previous prime is 20022103219. The next prime is 20022103223. The reversal of 20022103220 is 2230122002.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a junction number, because it is equal to n+sod(n) for n = 20022103195 and 20022103204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20022103223) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 653315 + ... + 683274.
It is an arithmetic number, because the mean of its divisors is an integer number (1010462040).
Almost surely, 220022103220 is an apocalyptic number.
20022103220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20022103220 is an abundant number, since it is smaller than the sum of its proper divisors (28480074700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20022103220 is a wasteful number, since it uses less digits than its factorization.
20022103220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1336712 (or 1336710 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 14.
Adding to 20022103220 its reverse (2230122002), we get a palindrome (22252225222).
The spelling of 20022103220 in words is "twenty billion, twenty-two million, one hundred three thousand, two hundred twenty".
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