20582634 has 24 divisors (see below), whose sum is σ = 42644160. Its totient is φ = 6622672.

The previous prime is 20582633. The next prime is 20582641. The reversal of 20582634 is 43628502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20582633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3007 + ... + 7085.

It is an arithmetic number, because the mean of its divisors is an integer number (1776840).

Almost surely, 2^20582634 is an apocalyptic number.

20582634 is an abundant number, since it is smaller than the sum of its proper divisors (22061526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20582634 is a wasteful number, since it uses less digits than its factorization.

20582634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4142 (or 4113 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 20582634 is about 4536.8087903283. The cubic root of 20582634 is about 274.0524257225.

The spelling of 20582634 in words is "twenty million, five hundred eighty-two thousand, six hundred thirty-four".