202020100000259 has 2 divisors, whose sum is σ = 202020100000260. Its totient is φ = 202020100000258.

The previous prime is 202020100000177. The next prime is 202020100000309. The reversal of 202020100000259 is 952000001020202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202020100000259 is a prime.

It is a super-2 number, since 2×202020100000259² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202020100300259) 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 as a sum of consecutive naturals, namely, 101010050000129 + 101010050000130.

It is an arithmetic number, because the mean of its divisors is an integer number (101010050000130).

Almost surely, 2^{202020100000259} is an apocalyptic number.

202020100000259 is a deficient number, since it is larger than the sum of its proper divisors (1).

202020100000259 is an equidigital number, since it uses as much as digits as its factorization.

202020100000259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The spelling of 202020100000259 in words is "two hundred two trillion, twenty billion, one hundred million, two hundred fifty-nine", and thus it is an aban number.