Search a number
-
+
20201110002011 = 28771702134441
BaseRepresentation
bin1001001011111011011111…
…11111000101100101011011
32122112012121002102010122202
410211331233333011211123
510121433333130031021
6110544132315240415
74153324223600231
oct445755777054533
978465532363582
1020201110002011
116489273a55174
12232313aa4910b
13b36c58576323
144dba4b922951
152507259b9a0b
hex125f6ffc595b

20201110002011 has 4 divisors (see below), whose sum is σ = 20201812165224. Its totient is φ = 20200407838800.

The previous prime is 20201110001993. The next prime is 20201110002049. The reversal of 20201110002011 is 11020001110202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20201110002011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20201110001983 and 20201110002001.

It is not an unprimeable number, because it can be changed into a prime (20201110002061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351038450 + ... + 351095991.

It is an arithmetic number, because the mean of its divisors is an integer number (5050453041306).

Almost surely, 220201110002011 is an apocalyptic number.

20201110002011 is a deficient number, since it is larger than the sum of its proper divisors (702163213).

20201110002011 is an equidigital number, since it uses as much as digits as its factorization.

20201110002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702163212.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20201110002011 its reverse (11020001110202), we get a palindrome (31221111112213).

The spelling of 20201110002011 in words is "twenty trillion, two hundred one billion, one hundred ten million, two thousand, eleven".

Divisors: 1 28771 702134441 20201110002011