Base | Representation |
---|---|
bin | 1001001001100100110010… |
… | …11111111100010100000100 |
3 | 2122020110202110220222000012 |
4 | 10210302121133330110010 |
5 | 10114122133214231040 |
6 | 110443032050205352 |
7 | 4144431236024666 |
oct | 444623137742404 |
9 | 78213673828005 |
10 | 20120202102020 |
11 | 6457a25610419 |
12 | 230b51ab83858 |
13 | b2c4333100a7 |
14 | 4d7b74372536 |
15 | 24d58c95d865 |
hex | 124c997fc504 |
20120202102020 has 48 divisors (see below), whose sum is σ = 44096489918208. Its totient is φ = 7696941436800.
The previous prime is 20120202102019. The next prime is 20120202102029. The reversal of 20120202102020 is 2020120202102.
It is a super-3 number, since 3×201202021020203 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 20120202101986 and 20120202102004.
It is not an unprimeable number, because it can be changed into a prime (20120202102029) 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, 572384 + ... + 6369303.
It is an arithmetic number, because the mean of its divisors is an integer number (918676873296).
Almost surely, 220120202102020 is an apocalyptic number.
20120202102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20120202102020 is an abundant number, since it is smaller than the sum of its proper divisors (23976287816188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20120202102020 is a wasteful number, since it uses less digits than its factorization.
20120202102020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6948020 (or 6948018 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 14.
Adding to 20120202102020 its reverse (2020120202102), we get a palindrome (22140322304122).
The spelling of 20120202102020 in words is "twenty trillion, one hundred twenty billion, two hundred two million, one hundred two thousand, twenty".
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