20125267 has 2 divisors, whose sum is σ = 20125268. Its totient is φ = 20125266.

The previous prime is 20125249. The next prime is 20125289. The reversal of 20125267 is 76252102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20125267 is a prime.

It is not a weakly prime, because it can be changed into another prime (20125367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10062633 + 10062634.

It is an arithmetic number, because the mean of its divisors is an integer number (10062634).

Almost surely, 2^20125267 is an apocalyptic number.

20125267 is a deficient number, since it is larger than the sum of its proper divisors (1).

20125267 is an equidigital number, since it uses as much as digits as its factorization.

20125267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 20125267 is about 4486.1193697894. The cubic root of 20125267 is about 272.0072941743.

Adding to 20125267 its reverse (76252102), we get a palindrome (96377369).

The spelling of 20125267 in words is "twenty million, one hundred twenty-five thousand, two hundred sixty-seven".