20134463 has 2 divisors, whose sum is σ = 20134464. Its totient is φ = 20134462.

The previous prime is 20134423. The next prime is 20134483. The reversal of 20134463 is 36443102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20134463 - 2¹⁸ = 19872319 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20134423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10067231 + 10067232.

It is an arithmetic number, because the mean of its divisors is an integer number (10067232).

Almost surely, 2^20134463 is an apocalyptic number.

20134463 is a deficient number, since it is larger than the sum of its proper divisors (1).

20134463 is an equidigital number, since it uses as much as digits as its factorization.

20134463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 20134463 is about 4487.1441920224. The cubic root of 20134463 is about 272.0487180253.

Adding to 20134463 its reverse (36443102), we get a palindrome (56577565).

The spelling of 20134463 in words is "twenty million, one hundred thirty-four thousand, four hundred sixty-three".