Base | Representation |
---|---|
bin | 10010110100001000… |
… | …100001011100100100 |
3 | 1221010220122001012011 |
4 | 102310020201130210 |
5 | 312333203032322 |
6 | 13140343004004 |
7 | 1313424120430 |
oct | 226410413444 |
9 | 57126561164 |
10 | 20202002212 |
11 | 862755a2a7 |
12 | 3ab9739604 |
13 | 1b9c4b3382 |
14 | d990699c0 |
15 | 7d386d677 |
hex | 4b4221724 |
20202002212 has 24 divisors (see below), whose sum is σ = 40408865280. Its totient is φ = 8656959360.
The previous prime is 20202002179. The next prime is 20202002231. The reversal of 20202002212 is 21220020202.
It is a junction number, because it is equal to n+sod(n) for n = 20202002192 and 20202002201.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221964 + ... + 299452.
It is an arithmetic number, because the mean of its divisors is an integer number (1683702720).
Almost surely, 220202002212 is an apocalyptic number.
It is an amenable number.
20202002212 is an abundant number, since it is smaller than the sum of its proper divisors (20206863068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20202002212 is a wasteful number, since it uses less digits than its factorization.
20202002212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86811 (or 86809 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 13.
Adding to 20202002212 its reverse (21220020202), we get a palindrome (41422022414).
The spelling of 20202002212 in words is "twenty billion, two hundred two million, two thousand, two hundred twelve".
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