20580124 has 12 divisors (see below), whose sum is σ = 37581264. Its totient is φ = 9842624.

The previous prime is 20580113. The next prime is 20580127. The reversal of 20580124 is 42108502.

It is a junction number, because it is equal to n+sod(n) for n = 20580095 and 20580104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20580127) 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 3 ways as a sum of consecutive naturals, for example, 111757 + ... + 111940.

It is an arithmetic number, because the mean of its divisors is an integer number (3131772).

Almost surely, 2^20580124 is an apocalyptic number.

It is an amenable number.

20580124 is a deficient number, since it is larger than the sum of its proper divisors (17001140).

20580124 is a wasteful number, since it uses less digits than its factorization.

20580124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223724 (or 223722 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 20580124 is about 4536.5321557331. The cubic root of 20580124 is about 274.0412852703.

Adding to 20580124 its reverse (42108502), we get a palindrome (62688626).

The spelling of 20580124 in words is "twenty million, five hundred eighty thousand, one hundred twenty-four".