20024120 has 16 divisors (see below), whose sum is σ = 45054360. Its totient is φ = 8009632.

The previous prime is 20024117. The next prime is 20024129. The reversal of 20024120 is 2142002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20024129) 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, 250262 + ... + 250341.

Almost surely, 2^20024120 is an apocalyptic number.

20024120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20024120 is an abundant number, since it is smaller than the sum of its proper divisors (25030240).

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

20024120 is a wasteful number, since it uses less digits than its factorization.

20024120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500614 (or 500610 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 20024120 is about 4474.8318404159. The cubic root of 20024120 is about 271.5508374110.

Adding to 20024120 its reverse (2142002), we get a palindrome (22166122).

The spelling of 20024120 in words is "twenty million, twenty-four thousand, one hundred twenty".