10420203863 has 2 divisors, whose sum is σ = 10420203864. Its totient is φ = 10420203862.

The previous prime is 10420203821. The next prime is 10420203901. The reversal of 10420203863 is 36830202401.

It is a strong prime.

It is an emirp because it is prime and its reverse (36830202401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10420203863 - 2²⁰ = 10419155287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10420203463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5210101931 + 5210101932.

It is an arithmetic number, because the mean of its divisors is an integer number (5210101932).

Almost surely, 2^10420203863 is an apocalyptic number.

10420203863 is a deficient number, since it is larger than the sum of its proper divisors (1).

10420203863 is an equidigital number, since it uses as much as digits as its factorization.

10420203863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 10420203863 in words is "ten billion, four hundred twenty million, two hundred three thousand, eight hundred sixty-three".