Base | Representation |
---|---|
bin | 1001001100001100010011… |
… | …10100010010001000010100 |
3 | 2122120001212221100202222202 |
4 | 10212012021310102020110 |
5 | 10122110323111441040 |
6 | 110552223532144032 |
7 | 4154063641504421 |
oct | 446061164221024 |
9 | 78501787322882 |
10 | 20210133312020 |
11 | 6492084417573 |
12 | 2324a38908018 |
13 | b37a65ac8512 |
14 | 4dc266084d48 |
15 | 250aa2c4d015 |
hex | 126189d12214 |
20210133312020 has 24 divisors (see below), whose sum is σ = 42508540330368. Its totient is φ = 8071241824800.
The previous prime is 20210133312011. The next prime is 20210133312077. The reversal of 20210133312020 is 2021333101202.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 20210133311983 and 20210133312001.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800705816 + ... + 800731055.
It is an arithmetic number, because the mean of its divisors is an integer number (1771189180432).
Almost surely, 220210133312020 is an apocalyptic number.
20210133312020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20210133312020 is an abundant number, since it is smaller than the sum of its proper divisors (22298407018348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20210133312020 is a wasteful number, since it uses less digits than its factorization.
20210133312020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1601437511 (or 1601437509 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 20210133312020 its reverse (2021333101202), we get a palindrome (22231466413222).
The spelling of 20210133312020 in words is "twenty trillion, two hundred ten billion, one hundred thirty-three million, three hundred twelve thousand, twenty".
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