20463463 has 2 divisors, whose sum is σ = 20463464. Its totient is φ = 20463462.

The previous prime is 20463451. The next prime is 20463467. The reversal of 20463463 is 36436402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20463463 - 2²¹ = 18366311 is a prime.

It is equal to p_1298080 and since 20463463 and 1298080 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20463467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10231731 + 10231732.

It is an arithmetic number, because the mean of its divisors is an integer number (10231732).

Almost surely, 2^20463463 is an apocalyptic number.

20463463 is a deficient number, since it is larger than the sum of its proper divisors (1).

20463463 is an equidigital number, since it uses as much as digits as its factorization.

20463463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 20463463 is about 4523.6559329816. The cubic root of 20463463 is about 273.5224913463.

Adding to 20463463 its reverse (36436402), we get a palindrome (56899865).

The spelling of 20463463 in words is "twenty million, four hundred sixty-three thousand, four hundred sixty-three".