20002008853 has 2 divisors, whose sum is σ = 20002008854. Its totient is φ = 20002008852.

The previous prime is 20002008839. The next prime is 20002008863. The reversal of 20002008853 is 35880020002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17131406769 + 2870602084 = 130887^2 + 53578^2 .

It is a cyclic number.

It is not a de Polignac number, because 20002008853 - 2¹³ = 20002000661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20002008823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001004426 + 10001004427.

It is an arithmetic number, because the mean of its divisors is an integer number (10001004427).

Almost surely, 2^20002008853 is an apocalyptic number.

It is an amenable number.

20002008853 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002008853 is an equidigital number, since it uses as much as digits as its factorization.

20002008853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 20002008853 its reverse (35880020002), we get a palindrome (55882028855).

The spelling of 20002008853 in words is "twenty billion, two million, eight thousand, eight hundred fifty-three".