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20020220011110 = 235111012182127527
BaseRepresentation
bin1001000110101010100100…
…00110100010001001100110
32121212220200112222111102010
410203111102012202021212
510111002402310323420
6110325055003055050
74134261500206404
oct443252206421146
977786615874363
1020020220011110
1164195892a7720
1222b4077211486
13b22b8b431157
144d2dab854474
1524ab8a0b04e0
hex1235521a2266

20020220011110 has 128 divisors (see below), whose sum is σ = 52939901058048. Its totient is φ = 4804938560000.

The previous prime is 20020220011037. The next prime is 20020220011117. The reversal of 20020220011110 is 1111002202002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020220011117) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 727280167 + ... + 727307693.

It is an arithmetic number, because the mean of its divisors is an integer number (413592977016).

Almost surely, 220020220011110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20020220011110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26469950529024).

20020220011110 is an abundant number, since it is smaller than the sum of its proper divisors (32919681046938).

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

20020220011110 is a wasteful number, since it uses less digits than its factorization.

20020220011110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49470.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20020220011110 its reverse (1111002202002), we get a palindrome (21131222213112).

The spelling of 20020220011110 in words is "twenty trillion, twenty billion, two hundred twenty million, eleven thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 101 110 165 202 303 330 505 606 1010 1111 1515 2222 3030 3333 5555 6666 11110 16665 21821 27527 33330 43642 55054 65463 82581 109105 130926 137635 165162 218210 240031 275270 302797 327315 412905 480062 605594 654630 720093 825810 908391 1200155 1440186 1513985 1816782 2203921 2400310 2780227 3027970 3600465 4407842 4541955 5560454 6611763 7200930 8340681 9083910 11019605 13223526 13901135 16681362 22039210 24243131 27802270 30582497 33058815 41703405 48486262 61164994 66117630 72729393 83406810 91747491 121215655 145458786 152912485 183494982 242431310 305824970 363646965 458737455 600666667 727293930 917474910 1201333334 1802000001 3003333335 3604000002 6006666670 6607333337 9010000005 13214666674 18020000010 19822000011 33036666685 39644000022 60667333367 66073333370 99110000055 121334666734 182002000101 198220000110 303336666835 364004000202 606673333670 667340667037 910010000505 1334681334074 1820020001010 2002022001111 3336703335185 4004044002222 6673406670370 10010110005555 20020220011110