Base | Representation |
---|---|
bin | 110010000001101101110001… |
… | …111111101110010001101101 |
3 | 1001212000201121012002202210001 |
4 | 302001231301333232101231 |
5 | 212314302333230432341 |
6 | 2055535515134544301 |
7 | 64225635501252241 |
oct | 6201556177562155 |
9 | 1055021535082701 |
10 | 220020202202221 |
11 | 64118053256983 |
12 | 20815480668091 |
13 | 959ca7bac6015 |
14 | 3c4906ad60421 |
15 | 1a6836c7d2d31 |
hex | c81b71fee46d |
220020202202221 has 8 divisors (see below), whose sum is σ = 227232740980224. Its totient is φ = 212814857980560.
The previous prime is 220020202202201. The next prime is 220020202202233. The reversal of 220020202202221 is 122202202020022.
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 220020202202221 - 243 = 211224109180013 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 (220020202202201) 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, 1798576921 + ... + 1798699246.
It is an arithmetic number, because the mean of its divisors is an integer number (28404092622528).
Almost surely, 2220020202202221 is an apocalyptic number.
It is an amenable number.
220020202202221 is a deficient number, since it is larger than the sum of its proper divisors (7212538778003).
220020202202221 is a wasteful number, since it uses less digits than its factorization.
220020202202221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3597278171.
The product of its (nonzero) digits is 512, while the sum is 19.
Adding to 220020202202221 its reverse (122202202020022), we get a palindrome (342222404222243).
The spelling of 220020202202221 in words is "two hundred twenty trillion, twenty billion, two hundred two million, two hundred two thousand, two hundred twenty-one".
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