20330110230251 has 2 divisors, whose sum is σ = 20330110230252. Its totient is φ = 20330110230250.

The previous prime is 20330110230103. The next prime is 20330110230289. The reversal of 20330110230251 is 15203201103302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20330110230251 - 2¹⁰ = 20330110229227 is a prime.

It is not a weakly prime, because it can be changed into another prime (20330110232251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165055115125 + 10165055115126.

It is an arithmetic number, because the mean of its divisors is an integer number (10165055115126).

Almost surely, 2^{20330110230251} is an apocalyptic number.

20330110230251 is a deficient number, since it is larger than the sum of its proper divisors (1).

20330110230251 is an equidigital number, since it uses as much as digits as its factorization.

20330110230251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 20330110230251 its reverse (15203201103302), we get a palindrome (35533311333553).

The spelling of 20330110230251 in words is "twenty trillion, three hundred thirty billion, one hundred ten million, two hundred thirty thousand, two hundred fifty-one".