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20132112300020 = 225731436715110663
BaseRepresentation
bin1001001001111010111110…
…11001101111011111110100
32122021121111112001201011122
410210331133121233133310
510114321031222100040
6110452321551123112
74145332340032220
oct444753731573764
978247445051148
1020132112300020
116461a87606466
1223118a3813498
13b305b0991b26
144d8584095780
1524da383911b5
hex124f5f66f7f4

20132112300020 has 384 divisors, whose sum is σ = 52145227825152. Its totient is φ = 6383893824000.

The previous prime is 20132112300019. The next prime is 20132112300023. The reversal of 20132112300020 is 2000321123102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132112300023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1888029209 + ... + 1888039871.

It is an arithmetic number, because the mean of its divisors is an integer number (135794864128).

Almost surely, 220132112300020 is an apocalyptic number.

20132112300020 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 20132112300020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26072613912576).

20132112300020 is an abundant number, since it is smaller than the sum of its proper divisors (32013115525132).

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

20132112300020 is a wasteful number, since it uses less digits than its factorization.

20132112300020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10971 (or 10969 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20132112300020 its reverse (2000321123102), we get a palindrome (22132433423122).

The spelling of 20132112300020 in words is "twenty trillion, one hundred thirty-two billion, one hundred twelve million, three hundred thousand, twenty".