20126467 has 2 divisors, whose sum is σ = 20126468. Its totient is φ = 20126466.

The previous prime is 20126459. The next prime is 20126479. The reversal of 20126467 is 76462102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20126467 - 2³ = 20126459 is a prime.

It is not a weakly prime, because it can be changed into another prime (20126417) 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, 10063233 + 10063234.

It is an arithmetic number, because the mean of its divisors is an integer number (10063234).

Almost surely, 2^20126467 is an apocalyptic number.

20126467 is a deficient number, since it is larger than the sum of its proper divisors (1).

20126467 is an equidigital number, since it uses as much as digits as its factorization.

20126467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 20126467 is about 4486.2531136796. The cubic root of 20126467 is about 272.0127003513.

Adding to 20126467 its reverse (76462102), we get a palindrome (96588569).

The spelling of 20126467 in words is "twenty million, one hundred twenty-six thousand, four hundred sixty-seven".