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20222223021305 = 517237908506133
BaseRepresentation
bin1001001100100010110100…
…11010110111010011111001
32122121020002111021122100022
410212101122122313103321
510122310103043140210
6111001543324420225
74155002352363314
oct446213232672371
978536074248308
1020222223021305
116497218781048
1223272516a7675
13b38c4170c856
144dca9197597b
1525105e2de155
hex12645a6b74f9

20222223021305 has 8 divisors (see below), whose sum is σ = 25694118662472. Its totient is φ = 15226144392448.

The previous prime is 20222223021241. The next prime is 20222223021307. The reversal of 20222223021305 is 50312032222202.

It can be written as a sum of positive squares in 4 ways, for example, as 4818670351609 + 15403552669696 = 2195147^2 + 3924736^2 .

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 20222223021305 - 26 = 20222223021241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20222223021307) 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, 118954252982 + ... + 118954253151.

It is an arithmetic number, because the mean of its divisors is an integer number (3211764832809).

Almost surely, 220222223021305 is an apocalyptic number.

It is an amenable number.

20222223021305 is a deficient number, since it is larger than the sum of its proper divisors (5471895641167).

20222223021305 is a wasteful number, since it uses less digits than its factorization.

20222223021305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237908506155.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 20222223021305 its reverse (50312032222202), we get a palindrome (70534255243507).

The spelling of 20222223021305 in words is "twenty trillion, two hundred twenty-two billion, two hundred twenty-three million, twenty-one thousand, three hundred five".

Divisors: 1 5 17 85 237908506133 1189542530665 4044444604261 20222223021305