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20110120230000 = 24354719539907
BaseRepresentation
bin1001001001010010000001…
…00100101001110001110000
32122012111201212002210120210
410210221000210221301300
510113441011234330000
6110434243420504120
74143623345362053
oct444510044516160
978174655083523
1020110120230000
116453721666789
1223095866ab040
13b2b4b7688448
144d74993baa9a
1524d19c7cc350
hex124a40929c70

20110120230000 has 400 divisors, whose sum is σ = 65908220818176. Its totient is φ = 5281086720000.

The previous prime is 20110120229959. The next prime is 20110120230019. The reversal of 20110120230000 is 3202101102.

It is a tau number, because it is divible by the number of its divisors (400).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2029885047 + ... + 2029894953.

Almost surely, 220110120230000 is an apocalyptic number.

20110120230000 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 20110120230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32954110409088).

20110120230000 is an abundant number, since it is smaller than the sum of its proper divisors (45798100588176).

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

20110120230000 is an equidigital number, since it uses as much as digits as its factorization.

20110120230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10962 (or 10941 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20110120230000 its reverse (3202101102), we get a palindrome (20113322331102).

The spelling of 20110120230000 in words is "twenty trillion, one hundred ten billion, one hundred twenty million, two hundred thirty thousand".