Base | Representation |
---|---|
bin | 1001001011111001101010… |
… | …00110001111100010000100 |
3 | 2122112010001020100112220020 |
4 | 10211330311012033202010 |
5 | 10121424322214201040 |
6 | 110543450303335140 |
7 | 4153260566111133 |
oct | 445746506174204 |
9 | 78463036315806 |
10 | 20200122022020 |
11 | 64889072a1186 |
12 | 2322b03bb14b0 |
13 | b36b2b987295 |
14 | 4db99662391a |
15 | 2506b8daecd0 |
hex | 125f3518f884 |
20200122022020 has 48 divisors (see below), whose sum is σ = 58384868817408. Its totient is φ = 5212934714880.
The previous prime is 20200122022013. The next prime is 20200122022021. The reversal of 20200122022020 is 2022022100202.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is not an unprimeable number, because it can be changed into a prime (20200122022021) 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, 5430138469 + ... + 5430142188.
It is an arithmetic number, because the mean of its divisors is an integer number (1216351433696).
Almost surely, 220200122022020 is an apocalyptic number.
20200122022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20200122022020 is an abundant number, since it is smaller than the sum of its proper divisors (38184746795388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20200122022020 is a wasteful number, since it uses less digits than its factorization.
20200122022020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10860280700 (or 10860280698 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 15.
Adding to 20200122022020 its reverse (2022022100202), we get a palindrome (22222144122222).
The spelling of 20200122022020 in words is "twenty trillion, two hundred billion, one hundred twenty-two million, twenty-two thousand, twenty".
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