20582125 has 16 divisors (see below), whose sum is σ = 26807040. Its totient is φ = 15747600.

The previous prime is 20582069. The next prime is 20582129. The reversal of 20582125 is 52128502.

It is not a de Polignac number, because 20582125 - 2¹³ = 20573933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 20582125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20582129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 705 + ... + 6454.

It is an arithmetic number, because the mean of its divisors is an integer number (1675440).

Almost surely, 2^20582125 is an apocalyptic number.

20582125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20582125 is a deficient number, since it is larger than the sum of its proper divisors (6224915).

20582125 is an equidigital number, since it uses as much as digits as its factorization.

20582125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7197 (or 7187 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 20582125 is about 4536.7526932818. The cubic root of 20582125 is about 274.0501666363.

The spelling of 20582125 in words is "twenty million, five hundred eighty-two thousand, one hundred twenty-five".