20010255071 has 2 divisors, whose sum is σ = 20010255072. Its totient is φ = 20010255070.

The previous prime is 20010255053. The next prime is 20010255107. The reversal of 20010255071 is 17055201002.

It is a happy number.

Together with next prime (20010255107) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20010255071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20010255871) 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, 10005127535 + 10005127536.

It is an arithmetic number, because the mean of its divisors is an integer number (10005127536).

Almost surely, 2^20010255071 is an apocalyptic number.

20010255071 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010255071 is an equidigital number, since it uses as much as digits as its factorization.

20010255071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 700, while the sum is 23.

Adding to 20010255071 its reverse (17055201002), we get a palindrome (37065456073).

The spelling of 20010255071 in words is "twenty billion, ten million, two hundred fifty-five thousand, seventy-one".