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2020201020011 = 2387834826957
BaseRepresentation
bin11101011001011101010…
…111010011101001101011
321011010111021121222211102
4131121131113103221223
5231044332430120021
64144022330552015
7265645315225106
oct35313527235153
97133437558742
102020201020011
1170984289a149
1228764129860b
13118672792655
146dac774173d
153783b70500b
hex1d65d5d3a6b

2020201020011 has 4 divisors (see below), whose sum is σ = 2108035846992. Its totient is φ = 1932366193032.

The previous prime is 2020201020001. The next prime is 2020201020037. The reversal of 2020201020011 is 1100201020202.

It is a happy number.

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-2020201020011 is a prime.

It is a super-2 number, since 2×20202010200112 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020201019974 and 2020201020001.

It is not an unprimeable number, because it can be changed into a prime (2020201020001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43917413456 + ... + 43917413501.

It is an arithmetic number, because the mean of its divisors is an integer number (527008961748).

Almost surely, 22020201020011 is an apocalyptic number.

2020201020011 is a deficient number, since it is larger than the sum of its proper divisors (87834826981).

2020201020011 is an equidigital number, since it uses as much as digits as its factorization.

2020201020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87834826980.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2020201020011 its reverse (1100201020202), we get a palindrome (3120402040213).

The spelling of 2020201020011 in words is "two trillion, twenty billion, two hundred one million, twenty thousand, eleven".

Divisors: 1 23 87834826957 2020201020011