Base | Representation |
---|---|
bin | 10010110100101010… |
… | …111110001110111100 |
3 | 1221011112121212010112 |
4 | 102310222332032330 |
5 | 312343011024040 |
6 | 13141304325152 |
7 | 1313563642343 |
oct | 226452761674 |
9 | 57145555115 |
10 | 20211033020 |
11 | 8631668282 |
12 | 3b007737b8 |
13 | 1ba1325a49 |
14 | d9a33ab5a |
15 | 7d4554365 |
hex | 4b4abe3bc |
20211033020 has 48 divisors (see below), whose sum is σ = 44901696000. Its totient is φ = 7620402240.
The previous prime is 20211032993. The next prime is 20211033047. The reversal of 20211033020 is 2033011202.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (20211032993) and next prime (20211033047).
It is a junction number, because it is equal to n+sod(n) for n = 20211032986 and 20211033004.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58016 + ... + 209255.
It is an arithmetic number, because the mean of its divisors is an integer number (935452000).
Almost surely, 220211033020 is an apocalyptic number.
20211033020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20211033020 is an abundant number, since it is smaller than the sum of its proper divisors (24690662980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20211033020 is a wasteful number, since it uses less digits than its factorization.
20211033020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 267498 (or 267496 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 20211033020 its reverse (2033011202), we get a palindrome (22244044222).
The spelling of 20211033020 in words is "twenty billion, two hundred eleven million, thirty-three thousand, twenty".
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