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20201030223 = 311319266269
BaseRepresentation
bin10010110100000100…
…110100001001001111
31221010211210122212120
4102310010310021033
5312332430431343
613140310104023
71313412631563
oct226404641117
957124718776
1020201030223
118626a56000
123ab934b013
131b9c232b2a
14d98c956a3
157d372a683
hex4b413424f

20201030223 has 32 divisors (see below), whose sum is σ = 31185542400. Its totient is φ = 11598634080.

The previous prime is 20201030137. The next prime is 20201030233. The reversal of 20201030223 is 32203010202.

It is not a de Polignac number, because 20201030223 - 28 = 20201029967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201030233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57268 + ... + 209001.

It is an arithmetic number, because the mean of its divisors is an integer number (974548200).

Almost surely, 220201030223 is an apocalyptic number.

20201030223 is a deficient number, since it is larger than the sum of its proper divisors (10984512177).

20201030223 is a wasteful number, since it uses less digits than its factorization.

20201030223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266324 (or 266302 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20201030223 its reverse (32203010202), we get a palindrome (52404040425).

The spelling of 20201030223 in words is "twenty billion, two hundred one million, thirty thousand, two hundred twenty-three".

Divisors: 1 3 11 19 33 57 121 209 363 627 1331 2299 3993 6897 25289 75867 266269 798807 2928959 5059111 8786877 15177333 32218549 55650221 96655647 166950663 354404039 612152431 1063212117 1836457293 6733676741 20201030223