20463803 has 2 divisors, whose sum is σ = 20463804. Its totient is φ = 20463802.

The previous prime is 20463787. The next prime is 20463811. The reversal of 20463803 is 30836402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20463803 - 2⁴ = 20463787 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20463103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10231901 + 10231902.

It is an arithmetic number, because the mean of its divisors is an integer number (10231902).

Almost surely, 2^20463803 is an apocalyptic number.

20463803 is a deficient number, since it is larger than the sum of its proper divisors (1).

20463803 is an equidigital number, since it uses as much as digits as its factorization.

20463803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 20463803 is about 4523.6935130488. The cubic root of 20463803 is about 273.5240061947.

The spelling of 20463803 in words is "twenty million, four hundred sixty-three thousand, eight hundred three".