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20201000010013 is a prime number
BaseRepresentation
bin1001001011111011010010…
…11011100000000100011101
32122112012022102102222000001
410211331221123200010131
510121433122000310023
6110544113345534301
74153321416640654
oct445755133400435
978465272388001
1020201000010013
116489217959599
12232310a044391
13b36c3b8447c4
144dba3b09019b
1525071aede6ad
hex125f696e011d

20201000010013 has 2 divisors, whose sum is σ = 20201000010014. Its totient is φ = 20201000010012.

The previous prime is 20201000010011. The next prime is 20201000010043. The reversal of 20201000010013 is 31001000010202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18549577114084 + 1651422895929 = 4306922^2 + 1285077^2 .

It is a cyclic number.

It is not a de Polignac number, because 20201000010013 - 21 = 20201000010011 is a prime.

It is a super-2 number, since 2×202010000100132 (a number of 27 digits) contains 22 as substring.

Together with 20201000010011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20201000010011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100500005006 + 10100500005007.

It is an arithmetic number, because the mean of its divisors is an integer number (10100500005007).

Almost surely, 220201000010013 is an apocalyptic number.

It is an amenable number.

20201000010013 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201000010013 is an equidigital number, since it uses as much as digits as its factorization.

20201000010013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 20201000010013 its reverse (31001000010202), we get a palindrome (51202000020215).

The spelling of 20201000010013 in words is "twenty trillion, two hundred one billion, ten thousand, thirteen".