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2020330123 = 72187122037
BaseRepresentation
bin111100001101011…
…1100101010001011
312012210121101220121
41320122330222023
513114201030443
6532250404111
7101031344200
oct17032745213
95183541817
102020330123
11947472a19
12484730637
13262744b16
1415246bca7
15bc57b4ed
hex786bca8b

2020330123 has 12 divisors (see below), whose sum is σ = 2351542752. Its totient is φ = 1730707440.

The previous prime is 2020330093. The next prime is 2020330163. The reversal of 2020330123 is 3210330202.

It is a de Polignac number, because none of the positive numbers 2k-2020330123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020330097 and 2020330106.

It is not an unprimeable number, because it can be changed into a prime (2020330163) 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 11 ways as a sum of consecutive naturals, for example, 80661 + ... + 102697.

It is an arithmetic number, because the mean of its divisors is an integer number (195961896).

Almost surely, 22020330123 is an apocalyptic number.

2020330123 is a deficient number, since it is larger than the sum of its proper divisors (331212629).

2020330123 is a wasteful number, since it uses less digits than its factorization.

2020330123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23922 (or 23915 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2020330123 is about 44948.0825286241. The cubic root of 2020330123 is about 1264.1757242724.

Adding to 2020330123 its reverse (3210330202), we get a palindrome (5230660325).

The spelling of 2020330123 in words is "two billion, twenty million, three hundred thirty thousand, one hundred twenty-three".

Divisors: 1 7 49 1871 13097 22037 91679 154259 1079813 41231227 288618589 2020330123