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20112010112020 = 2255279190490719
BaseRepresentation
bin1001001001010101100010…
…01101111110110000010100
32122012200121120020202100011
410210222301031332300110
510114003344042041040
6110435155131330004
74144021234201141
oct444526115766024
978180546222304
1020112010112020
116454501431052
122309a135b0904
13b2b729088828
144d75d83ad3c8
1524d25d68c3ea
hex124ab137ec14

20112010112020 has 24 divisors (see below), whose sum is σ = 42243222067200. Its totient is φ = 8043280076832.

The previous prime is 20112010112009. The next prime is 20112010112021. The reversal of 20112010112020 is 2021101021102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112010112021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95139780 + ... + 95350939.

It is an arithmetic number, because the mean of its divisors is an integer number (1760134252800).

Almost surely, 220112010112020 is an apocalyptic number.

20112010112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20112010112020 is an abundant number, since it is smaller than the sum of its proper divisors (22131211955180).

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

20112010112020 is a wasteful number, since it uses less digits than its factorization.

20112010112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190496007 (or 190496005 counting only the distinct ones).

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

Adding to 20112010112020 its reverse (2021101021102), we get a palindrome (22133111133122).

The spelling of 20112010112020 in words is "twenty trillion, one hundred twelve billion, ten million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 5279 10558 21116 26395 52790 105580 190490719 380981438 761962876 952453595 1904907190 3809814380 1005600505601 2011201011202 4022402022404 5028002528005 10056005056010 20112010112020