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200020202202221 = 796473913294117
BaseRepresentation
bin101101011110101011010101…
…000110011010010001101101
3222020012202002210122021010022
4231132223111012122101231
5202204112333230432341
61545224002400451525
760062661034230332
oct5536532506322155
9866182083567108
10200020202202221
1158807100699945
121a525309019ba5
13877ba938122ab
14375705ab02989
15181ceb794be4b
hexb5ead519a46d

200020202202221 has 8 divisors (see below), whose sum is σ = 202865167077120. Its totient is φ = 197183063917008.

The previous prime is 200020202202193. The next prime is 200020202202241. The reversal of 200020202202221 is 122202202020002.

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 200020202202221 - 226 = 200020135093357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200020202202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200020202202241) 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, 1956595946 + ... + 1956698171.

It is an arithmetic number, because the mean of its divisors is an integer number (25358145884640).

Almost surely, 2200020202202221 is an apocalyptic number.

It is an amenable number.

200020202202221 is a deficient number, since it is larger than the sum of its proper divisors (2844964874899).

200020202202221 is an equidigital number, since it uses as much as digits as its factorization.

200020202202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3913294843.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 200020202202221 its reverse (122202202020002), we get a palindrome (322222404222223).

The spelling of 200020202202221 in words is "two hundred trillion, twenty billion, two hundred two million, two hundred two thousand, two hundred twenty-one".

Divisors: 1 79 647 51113 3913294117 309150235243 2531901293699 200020202202221