Base | Representation |
---|---|
bin | 1001001011111101100100… |
… | …10001000100001010001100 |
3 | 2122112022110120212001020121 |
4 | 10211332302101010022030 |
5 | 10121443122313323040 |
6 | 110544434521354324 |
7 | 4153363615531060 |
oct | 445766221041214 |
9 | 78468416761217 |
10 | 20202222011020 |
11 | 6489794721a85 |
12 | 23233ab3389a4 |
13 | b370a4a7011a |
14 | 4dbb154a9aa0 |
15 | 25078d423c4a |
hex | 125fb244428c |
20202222011020 has 384 divisors, whose sum is σ = 52332010536960. Its totient is φ = 6400994181120.
The previous prime is 20202222011017. The next prime is 20202222011051. The reversal of 20202222011020 is 2011022220202.
It is a junction number, because it is equal to n+sod(n) for n = 20202222010985 and 20202222011003.
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 127 ways as a sum of consecutive naturals, for example, 15576115012 + ... + 15576116308.
It is an arithmetic number, because the mean of its divisors is an integer number (136281277440).
Almost surely, 220202222011020 is an apocalyptic number.
20202222011020 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 20202222011020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26166005268480).
20202222011020 is an abundant number, since it is smaller than the sum of its proper divisors (32129788525940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20202222011020 is a wasteful number, since it uses less digits than its factorization.
20202222011020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2433 (or 2431 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 16.
Adding to 20202222011020 its reverse (2011022220202), we get a palindrome (22213244231222).
The spelling of 20202222011020 in words is "twenty trillion, two hundred two billion, two hundred twenty-two million, eleven thousand, twenty".
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