Base | Representation |
---|---|
bin | 1001001100011110101101… |
… | …00101100001010000000100 |
3 | 2122121000101100101121010021 |
4 | 10212033112211201100010 |
5 | 10122241040333101040 |
6 | 111000540034104524 |
7 | 4154563504402021 |
oct | 446172645412004 |
9 | 78530340347107 |
10 | 20220011222020 |
11 | 6496293222555 |
12 | 2326934a1b144 |
13 | b3897b40968c |
14 | 4dc921d06548 |
15 | 250e8004124a |
hex | 1263d6961404 |
20220011222020 has 24 divisors (see below), whose sum is σ = 42462126494424. Its totient is φ = 8087984883456.
The previous prime is 20220011221999. The next prime is 20220011222039. The reversal of 20220011222020 is 2022211002202.
It can be written as a sum of positive squares in 4 ways, for example, as 4917253030144 + 15302758191876 = 2217488^2 + 3911874^2 .
It is a super-3 number, since 3×202200112220203 (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 = 20220011221985 and 20220011222003.
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, 9537514 + ... + 11463166.
It is an arithmetic number, because the mean of its divisors is an integer number (1769255270601).
Almost surely, 220220011222020 is an apocalyptic number.
20220011222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20220011222020 is an abundant number, since it is smaller than the sum of its proper divisors (22242115272404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20220011222020 is a wasteful number, since it uses less digits than its factorization.
20220011222020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2450679 (or 2450677 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 16.
Adding to 20220011222020 its reverse (2022211002202), we get a palindrome (22242222224222).
The spelling of 20220011222020 in words is "twenty trillion, two hundred twenty billion, eleven million, two hundred twenty-two thousand, twenty".
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