20463467 has 2 divisors, whose sum is σ = 20463468. Its totient is φ = 20463466.

The previous prime is 20463463. The next prime is 20463517. The reversal of 20463467 is 76436402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20463467 - 2² = 20463463 is a prime.

It is not a weakly prime, because it can be changed into another prime (20463463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10231733 + 10231734.

It is an arithmetic number, because the mean of its divisors is an integer number (10231734).

Almost surely, 2^20463467 is an apocalyptic number.

20463467 is a deficient number, since it is larger than the sum of its proper divisors (1).

20463467 is an equidigital number, since it uses as much as digits as its factorization.

20463467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 20463467 is about 4523.6563751019. The cubic root of 20463467 is about 273.5225091682.

Adding to 20463467 its reverse (76436402), we get a palindrome (96899869).

The spelling of 20463467 in words is "twenty million, four hundred sixty-three thousand, four hundred sixty-seven".