20048863 has 2 divisors, whose sum is σ = 20048864. Its totient is φ = 20048862.

The previous prime is 20048807. The next prime is 20048869. The reversal of 20048863 is 36884002.

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-20048863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20048869) 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, 10024431 + 10024432.

It is an arithmetic number, because the mean of its divisors is an integer number (10024432).

Almost surely, 2^20048863 is an apocalyptic number.

20048863 is a deficient number, since it is larger than the sum of its proper divisors (1).

20048863 is an equidigital number, since it uses as much as digits as its factorization.

20048863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 20048863 is about 4477.5956717864. The cubic root of 20048863 is about 271.6626395244.

The spelling of 20048863 in words is "twenty million, forty-eight thousand, eight hundred sixty-three".