20582342 has 24 divisors (see below), whose sum is σ = 35938728. Its totient is φ = 8803520.

The previous prime is 20582321. The next prime is 20582383. The reversal of 20582342 is 24328502.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1613 + ... + 6615.

It is an arithmetic number, because the mean of its divisors is an integer number (1497447).

Almost surely, 2^20582342 is an apocalyptic number.

20582342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20582342 is a deficient number, since it is larger than the sum of its proper divisors (15356386).

20582342 is a wasteful number, since it uses less digits than its factorization.

20582342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5044 (or 5033 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 20582342 is about 4536.7766090034. The cubic root of 20582342 is about 274.0511297483.

The spelling of 20582342 in words is "twenty million, five hundred eighty-two thousand, three hundred forty-two".