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20020222111110 = 23513291770134581
BaseRepresentation
bin1001000110101010100100…
…01110100010110110000110
32121212220200200221012001220
410203111102032202312012
510111002403330023420
6110325055120101210
74134261524104014
oct443252216426606
977786620835056
1020020222111110
11641958a501461
1222b4077a64806
13b22b8b9b7c60
144d2dabc3d8b4
1524ab8a377840
hex1235523a2d86

20020222111110 has 64 divisors (see below), whose sum is σ = 53528869759680. Its totient is φ = 4758121751040.

The previous prime is 20020222111037. The next prime is 20020222111129. The reversal of 20020222111110 is 1111122202002.

It is a super-3 number, since 3×200202221111103 (a number of 41 digits) contains 333 as substring.

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 20020222111110.

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, 885055981 + ... + 885078600.

It is an arithmetic number, because the mean of its divisors is an integer number (836388589995).

Almost surely, 220020222111110 is an apocalyptic number.

20020222111110 is an abundant number, since it is smaller than the sum of its proper divisors (33508647648570).

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

20020222111110 is a wasteful number, since it uses less digits than its factorization.

20020222111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770134633.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20020222111110 its reverse (1111122202002), we get a palindrome (21131344313112).

The spelling of 20020222111110 in words is "twenty trillion, twenty billion, two hundred twenty-two million, one hundred eleven thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 13 15 26 29 30 39 58 65 78 87 130 145 174 195 290 377 390 435 754 870 1131 1885 2262 3770 5655 11310 1770134581 3540269162 5310403743 8850672905 10620807486 17701345810 23011749553 26552018715 46023499106 51333902849 53104037430 69035248659 102667805698 115058747765 138070497318 154001708547 230117495530 256669514245 308003417094 345176243295 513339028490 667340737037 690352486590 770008542735 1334681474074 1540017085470 2002022211111 3336703685185 4004044422222 6673407370370 10010111055555 20020222111110