20275267 has 2 divisors, whose sum is σ = 20275268. Its totient is φ = 20275266.

The previous prime is 20275253. The next prime is 20275289. The reversal of 20275267 is 76257202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20275267 - 2⁷ = 20275139 is a prime.

It is a super-2 number, since 2×20275267² = 822172903842578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20275207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10137633 + 10137634.

It is an arithmetic number, because the mean of its divisors is an integer number (10137634).

Almost surely, 2^20275267 is an apocalyptic number.

20275267 is a deficient number, since it is larger than the sum of its proper divisors (1).

20275267 is an equidigital number, since it uses as much as digits as its factorization.

20275267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 20275267 is about 4502.8065692410. The cubic root of 20275267 is about 272.6814076980.

The spelling of 20275267 in words is "twenty million, two hundred seventy-five thousand, two hundred sixty-seven".