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2020201100 = 225220202011
BaseRepresentation
bin111100001101001…
…1101001010001100
312012210100211220222
41320122131022030
513114132413400
6532243530512
7101030266061
oct17032351214
95183324828
102020201100
11947394a95
12484689a38
132626cb188
14152436c68
15bc553185
hex7869d28c

2020201100 has 18 divisors (see below), whose sum is σ = 4383836604. Its totient is φ = 808080400.

The previous prime is 2020201097. The next prime is 2020201223. The reversal of 2020201100 is 11020202.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10100906 + ... + 10101105.

It is an arithmetic number, because the mean of its divisors is an integer number (243546478).

Almost surely, 22020201100 is an apocalyptic number.

2020201100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020201100 is an abundant number, since it is smaller than the sum of its proper divisors (2363635504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020201100 is a wasteful number, since it uses less digits than its factorization.

2020201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20202025 (or 20202018 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 2020201100 is about 44946.6472609471. The cubic root of 2020201100 is about 1264.1488126281.

Adding to 2020201100 its reverse (11020202), we get a palindrome (2031221302).

The spelling of 2020201100 in words is "two billion, twenty million, two hundred one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 20202011 40404022 80808044 101010055 202020110 404040220 505050275 1010100550 2020201100