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20302010020321 = 173277261423257
BaseRepresentation
bin1001001110110111011100…
…00110000111000111100001
32122212212000222121010220221
410213123232012013013201
510130112004031122241
6111102340433003041
74163525506601641
oct447335606070741
978785028533827
1020302010020321
116518041425357
12233a7ba0b3481
13b43618687883
145028a0306521
1525317dc365d1
hex1276ee1871e1

20302010020321 has 8 divisors (see below), whose sum is σ = 20419484569704. Its totient is φ = 20184536872320.

The previous prime is 20302010020307. The next prime is 20302010020379. The reversal of 20302010020321 is 12302001020302.

It can be written as a sum of positive squares in 4 ways, for example, as 4048727501025 + 16253282519296 = 2012145^2 + 4031536^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20302010020321 is a prime.

It is a super-2 number, since 2×203020100203212 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20302010020295 and 20302010020304.

It is not an unprimeable number, because it can be changed into a prime (20302010320321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47754525 + ... + 48177781.

It is an arithmetic number, because the mean of its divisors is an integer number (2552435571213).

Almost surely, 220302010020321 is an apocalyptic number.

It is an amenable number.

20302010020321 is a deficient number, since it is larger than the sum of its proper divisors (117474549383).

20302010020321 is a wasteful number, since it uses less digits than its factorization.

20302010020321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700691.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20302010020321 its reverse (12302001020302), we get a palindrome (32604011040623).

The spelling of 20302010020321 in words is "twenty trillion, three hundred two billion, ten million, twenty thousand, three hundred twenty-one".

Divisors: 1 173 277261 423257 47966153 73223461 117352659077 20302010020321