Base | Representation |
---|---|
bin | 1011101001001000100… |
… | …0100001001011101100 |
3 | 201010021202022001201210 |
4 | 2322102020201023230 |
5 | 11234120132432340 |
6 | 231515451034420 |
7 | 20310454444416 |
oct | 2722210411354 |
9 | 633252261653 |
10 | 200020202220 |
11 | 7791220a453 |
12 | 3292243ba10 |
13 | 15b28573657 |
14 | 9976a5d9b6 |
15 | 530a115180 |
hex | 2e922212ec |
200020202220 has 48 divisors (see below), whose sum is σ = 563293916640. Its totient is φ = 53030401536.
The previous prime is 200020202203. The next prime is 200020202269. The reversal of 200020202220 is 22202020002.
It is a super-2 number, since 2×2000202022202 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 200020202196 and 200020202205.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9624505 + ... + 9645264.
It is an arithmetic number, because the mean of its divisors is an integer number (11735289930).
Almost surely, 2200020202220 is an apocalyptic number.
200020202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
200020202220 is an abundant number, since it is smaller than the sum of its proper divisors (363273714420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
200020202220 is a wasteful number, since it uses less digits than its factorization.
200020202220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19269954 (or 19269952 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 12.
Adding to 200020202220 its reverse (22202020002), we get a palindrome (222222222222).
The spelling of 200020202220 in words is "two hundred billion, twenty million, two hundred two thousand, two hundred twenty".
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