20582038 has 4 divisors (see below), whose sum is σ = 30873060. Its totient is φ = 10291018.

The previous prime is 20582021. The next prime is 20582039. The reversal of 20582038 is 83028502.

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

It is a junction number, because it is equal to n+sod(n) for n = 20581997 and 20582015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20582039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5145508 + ... + 5145511.

It is an arithmetic number, because the mean of its divisors is an integer number (7718265).

Almost surely, 2^20582038 is an apocalyptic number.

20582038 is a deficient number, since it is larger than the sum of its proper divisors (10291022).

20582038 is a wasteful number, since it uses less digits than its factorization.

20582038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10291021.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 20582038 is about 4536.7431049157. The cubic root of 20582038 is about 274.0497805019.

It can be divided in two parts, 2058 and 2038, that added together give a 12-th power (4096 = 2¹²).

The spelling of 20582038 in words is "twenty million, five hundred eighty-two thousand, thirty-eight".