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20110010121120 = 25351491877149803
BaseRepresentation
bin1001001001010001110100…
…00000100111101110100000
32122012111110011220200121010
410210220322000213232200
510113440300042333440
6110434224444500520
74143620540434653
oct444507200475640
978174404820533
1020110010121120
1164536754a0307
12230955584a740
13b2b49a91566a
144d748891789a
1524d192ccc580
hex124a3a027ba0

20110010121120 has 192 divisors, whose sum is σ = 63806077641600. Its totient is φ = 5323804889088.

The previous prime is 20110010121073. The next prime is 20110010121193. The reversal of 20110010121120 is 2112101001102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20110010121096 and 20110010121105.

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, 134168139 + ... + 134317941.

It is an arithmetic number, because the mean of its divisors is an integer number (332323321050).

Almost surely, 220110010121120 is an apocalyptic number.

20110010121120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20110010121120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31903038820800).

20110010121120 is an abundant number, since it is smaller than the sum of its proper divisors (43696067520480).

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

20110010121120 is a wasteful number, since it uses less digits than its factorization.

20110010121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151847 (or 151839 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20110010121120 its reverse (2112101001102), we get a palindrome (22222111122222).

The spelling of 20110010121120 in words is "twenty trillion, one hundred ten billion, ten million, one hundred twenty-one thousand, one hundred twenty".