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2020431443 = 1921272347
BaseRepresentation
bin111100001101101…
…0101011001010011
312012210210112220012
41320123111121103
513114212301233
6532252505135
7101032245452
oct17033253123
95183715805
102020431443
11947532058
1248477b1ab
1326277bc84
14152496b99
15bc59b548
hex786d5653

2020431443 has 18 divisors (see below), whose sum is σ = 2155483116. Its totient is φ = 1893548664.

The previous prime is 2020431407. The next prime is 2020431463. The reversal of 2020431443 is 3441340202.

It is not a de Polignac number, because 2020431443 - 218 = 2020169299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2020431463) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 5822396 + ... + 5822742.

It is an arithmetic number, because the mean of its divisors is an integer number (119749062).

Almost surely, 22020431443 is an apocalyptic number.

2020431443 is a deficient number, since it is larger than the sum of its proper divisors (135051673).

2020431443 is an equidigital number, since it uses as much as digits as its factorization.

2020431443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2020431443 is about 44949.2095926057. The cubic root of 2020431443 is about 1264.1968568160.

Adding to 2020431443 its reverse (3441340202), we get a palindrome (5461771645).

The spelling of 2020431443 in words is "two billion, twenty million, four hundred thirty-one thousand, four hundred forty-three".

Divisors: 1 19 127 347 361 2413 6593 16129 44069 45847 125267 306451 837311 5596763 5822569 15908909 106338497 2020431443