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20122222010110 = 2511316949849179
BaseRepresentation
bin1001001001101000100011…
…11001010001111011111110
32122020122222020201220222221
410210310101321101323332
510114140302313310420
6110444004323555554
74144532263663603
oct444642171217376
978218866656887
1020122222010110
116458871815250
12230b9a352bbba
13b2c695937a8c
144d7cc67306aa
1524d659e54caa
hex124d11e51efe

20122222010110 has 64 divisors (see below), whose sum is σ = 40793248512000. Its totient is φ = 7080106492800.

The previous prime is 20122222010083. The next prime is 20122222010299. The reversal of 20122222010110 is 1101022222102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23271501 + ... + 24120679.

It is an arithmetic number, because the mean of its divisors is an integer number (637394508000).

Almost surely, 220122222010110 is an apocalyptic number.

20122222010110 is an abundant number, since it is smaller than the sum of its proper divisors (20671026501890).

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

20122222010110 is a wasteful number, since it uses less digits than its factorization.

20122222010110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856177.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20122222010110 its reverse (1101022222102), we get a palindrome (21223244232212).

The spelling of 20122222010110 in words is "twenty trillion, one hundred twenty-two billion, two hundred twenty-two million, ten thousand, one hundred ten".

Divisors: 1 2 5 10 11 22 31 55 62 110 155 310 341 682 1705 3410 6949 13898 34745 69490 76439 152878 215419 382195 430838 764390 849179 1077095 1698358 2154190 2369609 4245895 4739218 8491790 9340969 11848045 18681938 23696090 26324549 46704845 52649098 93409690 131622745 263245490 289570039 579140078 1447850195 2895700390 5900944871 11801889742 29504724355 59009448710 64910393581 129820787162 182929291001 324551967905 365858582002 649103935810 914646455005 1829292910010 2012222201011 4024444402022 10061111005055 20122222010110