Base | Representation |
---|---|
bin | 1001001100100000100101… |
… | …01110001100110000011100 |
3 | 2122121002222122211110010210 |
4 | 10212100102232030300130 |
5 | 10122300122123132312 |
6 | 111001224114332420 |
7 | 4154630505104460 |
oct | 446202256146034 |
9 | 78532878743123 |
10 | 20221020130332 |
11 | 649676078027a |
12 | 2326b7688a110 |
13 | b38aac445548 |
14 | 4dc9b9cd24a0 |
15 | 250edd8d1e3c |
hex | 126412b8cc1c |
20221020130332 has 96 divisors (see below), whose sum is σ = 54151997276160. Its totient is φ = 5752872216000.
The previous prime is 20221020130301. The next prime is 20221020130369. The reversal of 20221020130332 is 23303102012202.
It is a happy number.
It is a super-2 number, since 2×202210201303322 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 20221020130299 and 20221020130308.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 436649923 + ... + 436696229.
It is an arithmetic number, because the mean of its divisors is an integer number (564083304960).
Almost surely, 220221020130332 is an apocalyptic number.
It is an amenable number.
20221020130332 is an abundant number, since it is smaller than the sum of its proper divisors (33930977145828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20221020130332 is a wasteful number, since it uses less digits than its factorization.
20221020130332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68311 (or 68309 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 20221020130332 its reverse (23303102012202), we get a palindrome (43524122142534).
The spelling of 20221020130332 in words is "twenty trillion, two hundred twenty-one billion, twenty million, one hundred thirty thousand, three hundred thirty-two".
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