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20112022005 = 352598151607
BaseRepresentation
bin10010101110110001…
…010001100111110101
31220220122022120112220
4102232301101213311
5312142134201010
613123410232553
71311252236445
oct225661214765
956818276486
1020112022005
118590791899
123a93585759
131b8696a44a
14d8b126125
157ca9e7970
hex4aec519f5

20112022005 has 16 divisors (see below), whose sum is σ = 32181097344. Its totient is φ = 10725791040.

The previous prime is 20112021983. The next prime is 20112022013. The reversal of 20112022005 is 50022021102.

It is not a de Polignac number, because 20112022005 - 219 = 20111497717 is a prime.

It is a super-4 number, since 4×201120220054 (a number of 42 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363912 + ... + 415518.

It is an arithmetic number, because the mean of its divisors is an integer number (2011318584).

Almost surely, 220112022005 is an apocalyptic number.

It is an amenable number.

20112022005 is a deficient number, since it is larger than the sum of its proper divisors (12069075339).

20112022005 is a wasteful number, since it uses less digits than its factorization.

20112022005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77596.

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 20112022005 its reverse (50022021102), we get a palindrome (70134043107).

The spelling of 20112022005 in words is "twenty billion, one hundred twelve million, twenty-two thousand, five".

Divisors: 1 3 5 15 25981 51607 77943 129905 154821 258035 389715 774105 1340801467 4022404401 6704007335 20112022005