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20010200212813 is a prime number
BaseRepresentation
bin1001000110010111111001…
…11000000010010101001101
32121211221211020222000010111
410203023330320002111031
510110321342223302223
6110320320432040021
74133455262265436
oct443137470022515
977757736860114
1020010200212813
11641530739a988
1222b213b693011
13b21c52601315
144d26dac1a48d
1524a7a05e130d
hex1232fce0254d

20010200212813 has 2 divisors, whose sum is σ = 20010200212814. Its totient is φ = 20010200212812.

The previous prime is 20010200212763. The next prime is 20010200212867. The reversal of 20010200212813 is 31821200201002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19462099858569 + 548100354244 = 4411587^2 + 740338^2 .

It is a cyclic number.

It is not a de Polignac number, because 20010200212813 - 217 = 20010200081741 is a prime.

It is a super-2 number, since 2×200102002128132 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20010200212213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005100106406 + 10005100106407.

It is an arithmetic number, because the mean of its divisors is an integer number (10005100106407).

Almost surely, 220010200212813 is an apocalyptic number.

It is an amenable number.

20010200212813 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010200212813 is an equidigital number, since it uses as much as digits as its factorization.

20010200212813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 20010200212813 its reverse (31821200201002), we get a palindrome (51831400413815).

The spelling of 20010200212813 in words is "twenty trillion, ten billion, two hundred million, two hundred twelve thousand, eight hundred thirteen".