Base | Representation |
---|---|
bin | 10010110100000001… |
… | …010001100100111001 |
3 | 1221010210001111212101 |
4 | 102310001101210321 |
5 | 312332211232301 |
6 | 13140234143401 |
7 | 1313402015146 |
oct | 226401214471 |
9 | 57123044771 |
10 | 20200102201 |
11 | 8626481844 |
12 | 3ab8b81b61 |
13 | 1b9bc995c6 |
14 | d98ad33cd |
15 | 7d35e5701 |
hex | 4b4051939 |
20200102201 has 4 divisors (see below), whose sum is σ = 20257982500. Its totient is φ = 20142221904.
The previous prime is 20200102193. The next prime is 20200102211. The reversal of 20200102201 is 10220100202.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 13097658025 + 7102444176 = 114445^2 + 84276^2 .
It is a cyclic number.
It is not a de Polignac number, because 20200102201 - 23 = 20200102193 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20200102211) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28939626 + ... + 28940323.
It is an arithmetic number, because the mean of its divisors is an integer number (5064495625).
Almost surely, 220200102201 is an apocalyptic number.
It is an amenable number.
20200102201 is a deficient number, since it is larger than the sum of its proper divisors (57880299).
20200102201 is an equidigital number, since it uses as much as digits as its factorization.
20200102201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57880298.
The product of its (nonzero) digits is 16, while the sum is 10.
Adding to 20200102201 its reverse (10220100202), we get a palindrome (30420202403).
The spelling of 20200102201 in words is "twenty billion, two hundred million, one hundred two thousand, two hundred one".
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