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20110022111120 = 2452380489135787
BaseRepresentation
bin1001001001010001110101…
…01110010110111110010000
32122012111111000110211210012
410210220322232112332100
510113440311130023440
6110434225553454052
74143621044363144
oct444507256267620
978174430424705
1020110022111120
11645368123a5a7
122309559871328
13b2b4a0252c36
144d748a359224
1524d193d99e65
hex124a3ab96f90

20110022111120 has 80 divisors (see below), whose sum is σ = 48789627799680. Its totient is φ = 7694117071872.

The previous prime is 20110022111119. The next prime is 20110022111129. The reversal of 20110022111120 is 2111122001102.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 20110022111095 and 20110022111104.

It is not an unprimeable number, because it can be changed into a prime (20110022111129) 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, 148031867 + ... + 148167653.

It is an arithmetic number, because the mean of its divisors is an integer number (609870347496).

Almost surely, 220110022111120 is an apocalyptic number.

20110022111120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110022111120 is an abundant number, since it is smaller than the sum of its proper divisors (28679605688560).

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

20110022111120 is a wasteful number, since it uses less digits than its factorization.

20110022111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216312 (or 216306 counting only the distinct ones).

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

Adding to 20110022111120 its reverse (2111122001102), we get a palindrome (22221144112222).

The spelling of 20110022111120 in words is "twenty trillion, one hundred ten billion, twenty-two million, one hundred eleven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 23 40 46 80 92 115 184 230 368 460 920 1840 80489 135787 160978 271574 321956 402445 543148 643912 678935 804890 1086296 1287824 1357870 1609780 1851247 2172592 2715740 3123101 3219560 3702494 5431480 6246202 6439120 7404988 9256235 10862960 12492404 14809976 15615505 18512470 24984808 29619952 31231010 37024940 49969616 62462020 74049880 124924040 148099760 249848080 10929359843 21858719686 43717439372 54646799215 87434878744 109293598430 174869757488 218587196860 251375276389 437174393720 502750552778 874348787440 1005501105556 1256876381945 2011002211112 2513752763890 4022004422224 5027505527780 10055011055560 20110022111120