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2020221201211 = 471012831503811
BaseRepresentation
bin11101011001011110100…
…100010010101100111011
321011010112200121022020021
4131121132210102230323
5231044403111414321
64144024331311311
7265645651610323
oct35313644225473
97133480538207
102020221201211
11709853223624
12287647bab537
13118676a0a3a5
146daca2b6283
153783d38e941
hex1d65e912b3b

2020221201211 has 16 divisors (see below), whose sum is σ = 2090996448768. Its totient is φ = 1950742332000.

The previous prime is 2020221201181. The next prime is 2020221201239. The reversal of 2020221201211 is 1121021220202.

It is a happy number.

It is not a de Polignac number, because 2020221201211 - 211 = 2020221199163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2020221291211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 591496 + ... + 2095306.

It is an arithmetic number, because the mean of its divisors is an integer number (130687278048).

Almost surely, 22020221201211 is an apocalyptic number.

2020221201211 is a deficient number, since it is larger than the sum of its proper divisors (70775247557).

2020221201211 is a wasteful number, since it uses less digits than its factorization.

2020221201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504242.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2020221201211 its reverse (1121021220202), we get a palindrome (3141242421413).

The spelling of 2020221201211 in words is "two trillion, twenty billion, two hundred twenty-one million, two hundred one thousand, two hundred eleven".

Divisors: 1 47 101 283 4747 13301 28583 1343401 1503811 70679117 151884911 425578513 7138590817 20002190111 42983429813 2020221201211