20211012020263 has 2 divisors, whose sum is σ = 20211012020264. Its totient is φ = 20211012020262.

The previous prime is 20211012020209. The next prime is 20211012020273. The reversal of 20211012020263 is 36202021011202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20211012020263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20211012020273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105506010131 + 10105506010132.

It is an arithmetic number, because the mean of its divisors is an integer number (10105506010132).

Almost surely, 2^{20211012020263} is an apocalyptic number.

20211012020263 is a deficient number, since it is larger than the sum of its proper divisors (1).

20211012020263 is an equidigital number, since it uses as much as digits as its factorization.

20211012020263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20211012020263 its reverse (36202021011202), we get a palindrome (56413033031465).

The spelling of 20211012020263 in words is "twenty trillion, two hundred eleven billion, twelve million, twenty thousand, two hundred sixty-three".