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2020016260 = 225101000813
BaseRepresentation
bin111100001100111…
…0000000010000100
312012210000110101001
41320121300002010
513114111010020
6532235543044
7101025566143
oct17031600204
95183013331
102020016260
11947279129
124845baa84
13262664cc2
141523c975a
15bc51850a
hex78670084

2020016260 has 12 divisors (see below), whose sum is σ = 4242034188. Its totient is φ = 808006496.

The previous prime is 2020016227. The next prime is 2020016267. The reversal of 2020016260 is 626100202.

It can be written as a sum of positive squares in 2 ways, for example, as 488233216 + 1531783044 = 22096^2 + 39138^2 .

It is not an unprimeable number, because it can be changed into a prime (2020016267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50500387 + ... + 50500426.

It is an arithmetic number, because the mean of its divisors is an integer number (353502849).

Almost surely, 22020016260 is an apocalyptic number.

2020016260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020016260 is an abundant number, since it is smaller than the sum of its proper divisors (2222017928).

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

2020016260 is a wasteful number, since it uses less digits than its factorization.

2020016260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101000822 (or 101000820 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2020016260 is about 44944.5909982503. The cubic root of 2020016260 is about 1264.1102566657.

Adding to 2020016260 its reverse (626100202), we get a palindrome (2646116462).

The spelling of 2020016260 in words is "two billion, twenty million, sixteen thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 101000813 202001626 404003252 505004065 1010008130 2020016260