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20043110220 = 2235747721691
BaseRepresentation
bin10010101010101010…
…011001011101001100
31220201211122111100120
4102222222121131030
5312022014011340
613112505224540
71306454424450
oct225252313514
956654574316
1020043110220
1185558a4401
123a74492150
131b755c0043
14d81d08660
157c49344d0
hex4aaa9974c

20043110220 has 48 divisors (see below), whose sum is σ = 64137954048. Its totient is φ = 4581282240.

The previous prime is 20043110189. The next prime is 20043110231. The reversal of 20043110220 is 2201134002.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20043110220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23860426 + ... + 23861265.

It is an arithmetic number, because the mean of its divisors is an integer number (1336207376).

Almost surely, 220043110220 is an apocalyptic number.

20043110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20043110220 is an abundant number, since it is smaller than the sum of its proper divisors (44094843828).

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

20043110220 is a wasteful number, since it uses less digits than its factorization.

20043110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47721710 (or 47721708 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20043110220 its reverse (2201134002), we get a palindrome (22244244222).

The spelling of 20043110220 in words is "twenty billion, forty-three million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 47721691 95443382 143165073 190886764 238608455 286330146 334051837 477216910 572660292 668103674 715825365 954433820 1002155511 1336207348 1431650730 1670259185 2004311022 2863301460 3340518370 4008622044 5010777555 6681036740 10021555110 20043110220