20576073 has 16 divisors (see below), whose sum is σ = 31887360. Its totient is φ = 11557776.

The previous prime is 20576047. The next prime is 20576117. The reversal of 20576073 is 37067502.

It is not a de Polignac number, because 20576073 - 2⁵ = 20576041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20576073.

It is not an unprimeable number, because it can be changed into a prime (20576473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7065 + ... + 9542.

It is an arithmetic number, because the mean of its divisors is an integer number (1992960).

Almost surely, 2^20576073 is an apocalyptic number.

It is an amenable number.

20576073 is a deficient number, since it is larger than the sum of its proper divisors (11311287).

20576073 is a wasteful number, since it uses less digits than its factorization.

20576073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16676.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 20576073 is about 4536.0856473396. The cubic root of 20576073 is about 274.0233032909.

The spelling of 20576073 in words is "twenty million, five hundred seventy-six thousand, seventy-three".