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20201011112020 = 2253554832841347
BaseRepresentation
bin1001001011111011010100…
…00101110110100001010100
32122112012100012100000002111
410211331222011312201110
510121433132321041040
6110544114423520404
74153321613210224
oct445755205664124
978465305300074
1020201011112020
116489223151702
1223231118b9104
13b36c40c30b3b
144dba3c740084
1525071be83dea
hex125f6a176854

20201011112020 has 24 divisors (see below), whose sum is σ = 42422257602144. Its totient is φ = 8080378870176.

The previous prime is 20201011111997. The next prime is 20201011112039. The reversal of 20201011112020 is 2021111010202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5688987 + ... + 8530333.

It is an arithmetic number, because the mean of its divisors is an integer number (1767594066756).

Almost surely, 220201011112020 is an apocalyptic number.

20201011112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201011112020 is an abundant number, since it is smaller than the sum of its proper divisors (22221246490124).

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

20201011112020 is a wasteful number, since it uses less digits than its factorization.

20201011112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196839 (or 3196837 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20201011112020 its reverse (2021111010202), we get a palindrome (22222122122222).

The spelling of 20201011112020 in words is "twenty trillion, two hundred one billion, eleven million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 355483 710966 1421932 1777415 2841347 3554830 5682694 7109660 11365388 14206735 28413470 56826940 1010050555601 2020101111202 4040202222404 5050252778005 10100505556010 20201011112020