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20110102211120 = 24510092333106787
BaseRepresentation
bin1001001001010001111110…
…11111111010101000110000
32122012111200121012100022212
410210220333133322220300
510113440442131223440
6110434241534351252
74143623036253635
oct444507737725060
978174617170285
1020110102211120
116453712479949
12230958065b528
13b2b4b3a1999c
144d7496c4a18c
1524d19ae1d465
hex124a3f7faa30

20110102211120 has 80 divisors (see below), whose sum is σ = 46822826049120. Its totient is φ = 8032548851712.

The previous prime is 20110102211027. The next prime is 20110102211131. The reversal of 20110102211120 is 2111220101102.

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 = 20110102211095 and 20110102211104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188266367 + ... + 188373153.

It is an arithmetic number, because the mean of its divisors is an integer number (585285325614).

Almost surely, 220110102211120 is an apocalyptic number.

20110102211120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110102211120 is an abundant number, since it is smaller than the sum of its proper divisors (26712723838000).

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

20110102211120 is a wasteful number, since it uses less digits than its factorization.

20110102211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110142 (or 110136 counting only the distinct ones).

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

Adding to 20110102211120 its reverse (2111220101102), we get a palindrome (22221322312222).

The spelling of 20110102211120 in words is "twenty trillion, one hundred ten billion, one hundred two million, two hundred eleven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1009 2018 2333 4036 4666 5045 8072 9332 10090 11665 16144 18664 20180 23330 37328 40360 46660 80720 93320 106787 186640 213574 427148 533935 854296 1067870 1708592 2135740 2353997 4271480 4707994 8542960 9415988 11769985 18831976 23539970 37663952 47079940 94159880 107748083 188319760 215496166 249134071 430992332 498268142 538740415 861984664 996536284 1077480830 1245670355 1723969328 1993072568 2154961660 2491340710 3986145136 4309923320 4982681420 8619846640 9965362840 19930725680 251376277639 502752555278 1005505110556 1256881388195 2011010221112 2513762776390 4022020442224 5027525552780 10055051105560 20110102211120