20275007 has 2 divisors, whose sum is σ = 20275008. Its totient is φ = 20275006.

The previous prime is 20274979. The next prime is 20275019. The reversal of 20275007 is 70057202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20275007 - 2¹² = 20270911 is a prime.

It is a super-2 number, since 2×20275007² = 822151817700098, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10137503 + 10137504.

It is an arithmetic number, because the mean of its divisors is an integer number (10137504).

Almost surely, 2^20275007 is an apocalyptic number.

20275007 is a deficient number, since it is larger than the sum of its proper divisors (1).

20275007 is an equidigital number, since it uses as much as digits as its factorization.

20275007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 20275007 is about 4502.7776982658. Note that the first 3 decimals coincide. The cubic root of 20275007 is about 272.6802421158.

The spelling of 20275007 in words is "twenty million, two hundred seventy-five thousand, seven".