20550124 has 24 divisors (see below), whose sum is σ = 41431040. Its totient is φ = 8736336.

The previous prime is 20550121. The next prime is 20550199. The reversal of 20550124 is 42105502.

It is not an unprimeable number, because it can be changed into a prime (20550121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 667 + ... + 6445.

Almost surely, 2^20550124 is an apocalyptic number.

It is an amenable number.

20550124 is an abundant number, since it is smaller than the sum of its proper divisors (20880916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20550124 is a wasteful number, since it uses less digits than its factorization.

20550124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5917 (or 5915 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 20550124 is about 4533.2244594769. The cubic root of 20550124 is about 273.9080622870.

Adding to 20550124 its reverse (42105502), we get a palindrome (62655626).

The spelling of 20550124 in words is "twenty million, five hundred fifty thousand, one hundred twenty-four".