20527673 has 16 divisors (see below), whose sum is σ = 22050816. Its totient is φ = 19077120.

The previous prime is 20527667. The next prime is 20527691. The reversal of 20527673 is 37672502.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20527673 - 2⁶ = 20527609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20527603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106265 + ... + 106457.

It is an arithmetic number, because the mean of its divisors is an integer number (1378176).

Almost surely, 2^20527673 is an apocalyptic number.

It is an amenable number.

20527673 is a deficient number, since it is larger than the sum of its proper divisors (1523143).

20527673 is a wasteful number, since it uses less digits than its factorization.

20527673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 20527673 is about 4530.7475100694. The cubic root of 20527673 is about 273.8082778006.

The spelling of 20527673 in words is "twenty million, five hundred twenty-seven thousand, six hundred seventy-three".