Base | Representation |
---|---|
bin | 10010110100000100… |
… | …110010001001000111 |
3 | 1221010211210020121212 |
4 | 102310010302021013 |
5 | 312332430201043 |
6 | 13140310002035 |
7 | 1313412565640 |
oct | 226404621107 |
9 | 57124706555 |
10 | 20201022023 |
11 | 8626a4a926 |
12 | 3ab934631b |
13 | 1b9c22c190 |
14 | d98c926c7 |
15 | 7d3728018 |
hex | 4b4132247 |
20201022023 has 32 divisors (see below), whose sum is σ = 25248795264. Its totient is φ = 15736799232.
The previous prime is 20201022007. The next prime is 20201022029. The reversal of 20201022023 is 32022010202.
It is not a de Polignac number, because 20201022023 - 24 = 20201022007 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20201021989 and 20201022007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20201022029) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1733111 + ... + 1744727.
It is an arithmetic number, because the mean of its divisors is an integer number (789024852).
Almost surely, 220201022023 is an apocalyptic number.
20201022023 is a deficient number, since it is larger than the sum of its proper divisors (5047773241).
20201022023 is a wasteful number, since it uses less digits than its factorization.
20201022023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11931.
The product of its (nonzero) digits is 96, while the sum is 14.
Adding to 20201022023 its reverse (32022010202), we get a palindrome (52223032225).
The spelling of 20201022023 in words is "twenty billion, two hundred one million, twenty-two thousand, twenty-three".
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