20582242 has 8 divisors (see below), whose sum is σ = 30967632. Its totient is φ = 10259700.

The previous prime is 20582227. The next prime is 20582273. The reversal of 20582242 is 24228502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14884 + ... + 16207.

It is an arithmetic number, because the mean of its divisors is an integer number (3870954).

Almost surely, 2^20582242 is an apocalyptic number.

20582242 is a deficient number, since it is larger than the sum of its proper divisors (10385390).

20582242 is a wasteful number, since it uses less digits than its factorization.

20582242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31424.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 20582242 is about 4536.7655879492. The cubic root of 20582242 is about 274.0506859187.

The spelling of 20582242 in words is "twenty million, five hundred eighty-two thousand, two hundred forty-two".