20960567 has 6 divisors (see below), whose sum is σ = 21912072. Its totient is φ = 20048732.

The previous prime is 20960519. The next prime is 20960579. The reversal of 20960567 is 76506902.

It is not a de Polignac number, because 20960567 - 2²⁴ = 4183351 is a prime.

It is a super-2 number, since 2×20960567² = 878690737922978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20960267) 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 in 5 ways as a sum of consecutive naturals, for example, 19283 + ... + 20340.

It is an arithmetic number, because the mean of its divisors is an integer number (3652012).

Almost surely, 2^20960567 is an apocalyptic number.

20960567 is a deficient number, since it is larger than the sum of its proper divisors (951505).

20960567 is an equidigital number, since it uses as much as digits as its factorization.

20960567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39669 (or 39646 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 20960567 is about 4578.2711802601. The cubic root of 20960567 is about 275.7196226798.

The spelling of 20960567 in words is "twenty million, nine hundred sixty thousand, five hundred sixty-seven".