Base | Representation |
---|---|
bin | 10100100000100001… |
… | …001111001001101101 |
3 | 2002211122022020201201 |
4 | 110200201033021231 |
5 | 330044211421310 |
6 | 14041022005501 |
7 | 1406454324550 |
oct | 244041171155 |
9 | 62748266651 |
10 | 22020420205 |
11 | 937aa53693 |
12 | 4326716891 |
13 | 20cc151754 |
14 | 10cc778697 |
15 | 88d313e3a |
hex | 52084f26d |
22020420205 has 8 divisors (see below), whose sum is σ = 30199433472. Its totient is φ = 15099716688.
The previous prime is 22020420203. The next prime is 22020420209. The reversal of 22020420205 is 50202402022.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 22020420205 - 21 = 22020420203 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22020420203) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314577397 + ... + 314577466.
It is an arithmetic number, because the mean of its divisors is an integer number (3774929184).
Almost surely, 222020420205 is an apocalyptic number.
It is an amenable number.
22020420205 is a deficient number, since it is larger than the sum of its proper divisors (8179013267).
22020420205 is an equidigital number, since it uses as much as digits as its factorization.
22020420205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 629154875.
The product of its (nonzero) digits is 640, while the sum is 19.
Adding to 22020420205 its reverse (50202402022), we get a palindrome (72222822227).
It can be divided in two parts, 22020 and 420205, that added together give a square (442225 = 6652).
The spelling of 22020420205 in words is "twenty-two billion, twenty million, four hundred twenty thousand, two hundred five".
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