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20132230130320 = 245711297910391373
BaseRepresentation
bin1001001001111011001100…
…11011001110101010010000
32122021121210201210002221211
410210331212123032222100
510114321301403132240
6110452341400425504
74145335300415620
oct444754633165220
978247721702854
1020132230130320
116462038076080
122311917178294
13b305cc2092b9
144d85959a8880
1524da438b8bea
hex124f666cea90

20132230130320 has 640 divisors, whose sum is σ = 61237223424000. Its totient is φ = 5971801006080.

The previous prime is 20132230130279. The next prime is 20132230130333. The reversal of 20132230130320 is 2303103223102.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 20132230130291 and 20132230130300.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14662949154 + ... + 14662950526.

It is an arithmetic number, because the mean of its divisors is an integer number (95683161600).

Almost surely, 220132230130320 is an apocalyptic number.

20132230130320 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 20132230130320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30618611712000).

20132230130320 is an abundant number, since it is smaller than the sum of its proper divisors (41104993293680).

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

20132230130320 is a wasteful number, since it uses less digits than its factorization.

20132230130320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2551 (or 2545 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20132230130320 its reverse (2303103223102), we get a palindrome (22435333353422).

The spelling of 20132230130320 in words is "twenty trillion, one hundred thirty-two billion, two hundred thirty million, one hundred thirty thousand, three hundred twenty".