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20021300000130 = 235111324328329501
BaseRepresentation
bin1001000110101100100100…
…11110010111010110000010
32121220000110211011121211110
410203112102132113112002
510111012110300001010
6110325354103024150
74134330323026422
oct443262236272602
977800424147743
1020021300000130
116419a92994430
1222b4318a3b056
13b230010c6700
144d3071064482
1524abeece2120
hex123592797582

20021300000130 has 384 divisors, whose sum is σ = 58289094319104. Its totient is φ = 4360487040000.

The previous prime is 20021300000057. The next prime is 20021300000159. The reversal of 20021300000130 is 3100000312002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 678650380 + ... + 678679880.

It is an arithmetic number, because the mean of its divisors is an integer number (151794516456).

Almost surely, 220021300000130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20021300000130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29144547159552).

20021300000130 is an abundant number, since it is smaller than the sum of its proper divisors (38267794318974).

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

20021300000130 is a wasteful number, since it uses less digits than its factorization.

20021300000130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29874 (or 29861 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20021300000130 its reverse (3100000312002), we get a palindrome (23121300312132).

The spelling of 20021300000130 in words is "twenty trillion, twenty-one billion, three hundred million, one hundred thirty", and thus it is an aban number.