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20110220211110 = 2519457231604517
BaseRepresentation
bin1001001001010010001101…
…00010000011001110100110
32122012111222211020100212212
410210221012202003032212
510113441212333223420
6110434301351443422
74143626001245141
oct444510642031646
978174884210785
1020110220211110
116453773044aa7
1223095b4086572
13b2b5022c3473
144d74a87a5058
1524d1a647b3c5
hex124a468833a6

20110220211110 has 32 divisors (see below), whose sum is σ = 38186952927840. Its totient is φ = 7604039469312.

The previous prime is 20110220211097. The next prime is 20110220211113. The reversal of 20110220211110 is 1111202201102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110220211113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115715429 + ... + 115889088.

It is an arithmetic number, because the mean of its divisors is an integer number (1193342278995).

Almost surely, 220110220211110 is an apocalyptic number.

20110220211110 is a deficient number, since it is larger than the sum of its proper divisors (18076732716730).

20110220211110 is a wasteful number, since it uses less digits than its factorization.

20110220211110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231605000.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20110220211110 its reverse (1111202201102), we get a palindrome (21221422412212).

The spelling of 20110220211110 in words is "twenty trillion, one hundred ten billion, two hundred twenty million, two hundred eleven thousand, one hundred ten".

Divisors: 1 2 5 10 19 38 95 190 457 914 2285 4570 8683 17366 43415 86830 231604517 463209034 1158022585 2316045170 4400485823 8800971646 22002429115 44004858230 105843264269 211686528538 529216321345 1058432642690 2011022021111 4022044042222 10055110105555 20110220211110