20576134 has 4 divisors (see below), whose sum is σ = 30864204. Its totient is φ = 10288066.

The previous prime is 20576131. The next prime is 20576141. The reversal of 20576134 is 43167502.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20576131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5144032 + ... + 5144035.

It is an arithmetic number, because the mean of its divisors is an integer number (7716051).

Almost surely, 2^20576134 is an apocalyptic number.

20576134 is a deficient number, since it is larger than the sum of its proper divisors (10288070).

20576134 is a wasteful number, since it uses less digits than its factorization.

20576134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10288069.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 20576134 is about 4536.0923711935. The cubic root of 20576134 is about 274.0235740812.

The spelling of 20576134 in words is "twenty million, five hundred seventy-six thousand, one hundred thirty-four".