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1300020244220 = 22565001012211
BaseRepresentation
bin10010111010101111001…
…111101010111011111100
311121021120122102222002002
4102322233033222323330
5132244420140303340
62433115425321432
7162631466515415
oct22725717527374
94537518388062
101300020244220
11461376599a55
1218bb52196278
139578c364a79
1446cc813880c
1523c3aac3715
hex12eaf3eaefc

1300020244220 has 12 divisors (see below), whose sum is σ = 2730042512904. Its totient is φ = 520008097680.

The previous prime is 1300020244217. The next prime is 1300020244253. The reversal of 1300020244220 is 224420200031.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 65001012211 = 1300020244220 / (1 + 3 + 0 + 0 + 0 + 2 + 0 + 2 + 4 + 4 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 1300020244192 and 1300020244201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32500506086 + ... + 32500506125.

It is an arithmetic number, because the mean of its divisors is an integer number (227503542742).

Almost surely, 21300020244220 is an apocalyptic number.

1300020244220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300020244220 is an abundant number, since it is smaller than the sum of its proper divisors (1430022268684).

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

1300020244220 is a wasteful number, since it uses less digits than its factorization.

1300020244220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65001012220 (or 65001012218 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 1300020244220 its reverse (224420200031), we get a palindrome (1524440444251).

The spelling of 1300020244220 in words is "one trillion, three hundred billion, twenty million, two hundred forty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 65001012211 130002024422 260004048844 325005061055 650010122110 1300020244220