Base | Representation |
---|---|
bin | 10010110101010101… |
… | …001100011101010100 |
3 | 1221012022110012000000 |
4 | 102311111030131110 |
5 | 312403324220312 |
6 | 13142341451300 |
7 | 1314060011436 |
oct | 226525143524 |
9 | 57168405000 |
10 | 20222101332 |
11 | 8637938044 |
12 | 3b04410b30 |
13 | 1ba36cc944 |
14 | d9b9bc656 |
15 | 7d54ddadc |
hex | 4b554c754 |
20222101332 has 84 divisors (see below), whose sum is σ = 53134634196. Its totient is φ = 6731061120.
The previous prime is 20222101313. The next prime is 20222101363. The reversal of 20222101332 is 23310122202.
It can be written as a sum of positive squares in 2 ways, for example, as 9595377936 + 10626723396 = 97956^2 + 103086^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2202832 + ... + 2211992.
It is an arithmetic number, because the mean of its divisors is an integer number (632555169).
Almost surely, 220222101332 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20222101332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26567317098).
20222101332 is an abundant number, since it is smaller than the sum of its proper divisors (32912532864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20222101332 is an equidigital number, since it uses as much as digits as its factorization.
20222101332 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9940 (or 9923 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 20222101332 its reverse (23310122202), we get a palindrome (43532223534).
The spelling of 20222101332 in words is "twenty billion, two hundred twenty-two million, one hundred one thousand, three hundred thirty-two".
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