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2020321311 = 32329280019
BaseRepresentation
bin111100001101011…
…1010100000011111
312012210120221211020
41320122322200133
513114200240221
6532250255223
7101031306411
oct17032724037
95183527736
102020321311
11947467338
12484727513
13262740ac8
141524689b1
15bc578ac6
hex786ba81f

2020321311 has 8 divisors (see below), whose sum is σ = 2810881920. Its totient is φ = 1288320792.

The previous prime is 2020321309. The next prime is 2020321313. The reversal of 2020321311 is 1131230202.

It is an interprime number because it is at equal distance from previous prime (2020321309) and next prime (2020321313).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2020321311 - 21 = 2020321309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020321313) 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 7 ways as a sum of consecutive naturals, for example, 14639941 + ... + 14640078.

It is an arithmetic number, because the mean of its divisors is an integer number (351360240).

Almost surely, 22020321311 is an apocalyptic number.

2020321311 is a deficient number, since it is larger than the sum of its proper divisors (790560609).

2020321311 is a wasteful number, since it uses less digits than its factorization.

2020321311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29280045.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2020321311 is about 44947.9845043134. The cubic root of 2020321311 is about 1264.1738863001.

Adding to 2020321311 its reverse (1131230202), we get a palindrome (3151551513).

It can be divided in two parts, 20203 and 21311, that added together give a palindrome (41514).

The spelling of 2020321311 in words is "two billion, twenty million, three hundred twenty-one thousand, three hundred eleven".

Divisors: 1 3 23 69 29280019 87840057 673440437 2020321311