Base | Representation |
---|---|
bin | 10010110100001000… |
… | …111100010011001001 |
3 | 1221010220211122001211 |
4 | 102310020330103021 |
5 | 312333220042301 |
6 | 13140345213121 |
7 | 1313425056205 |
oct | 226410742311 |
9 | 57126748054 |
10 | 20202112201 |
11 | 86276249a7 |
12 | 3ab97911a1 |
13 | 1b9c52145b |
14 | d99097b05 |
15 | 7d3891051 |
hex | 4b423c4c9 |
20202112201 has 8 divisors (see below), whose sum is σ = 20423075400. Its totient is φ = 19982214528.
The previous prime is 20202112193. The next prime is 20202112223. The reversal of 20202112201 is 10221120202.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 5305665600 + 14896446601 = 72840^2 + 122051^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20202112201 - 23 = 20202112193 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20202172201) 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, 228226 + ... + 304123.
It is an arithmetic number, because the mean of its divisors is an integer number (2552884425).
Almost surely, 220202112201 is an apocalyptic number.
It is an amenable number.
20202112201 is a deficient number, since it is larger than the sum of its proper divisors (220963199).
20202112201 is a wasteful number, since it uses less digits than its factorization.
20202112201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 532763.
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 20202112201 its reverse (10221120202), we get a palindrome (30423232403).
The spelling of 20202112201 in words is "twenty billion, two hundred two million, one hundred twelve thousand, two hundred one".
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