20044120 has 16 divisors (see below), whose sum is σ = 45099360. Its totient is φ = 8017632.

The previous prime is 20044091. The next prime is 20044127. The reversal of 20044120 is 2144002.

It is a self number, because there is not a number n which added to its sum of digits gives 20044120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20044127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250512 + ... + 250591.

It is an arithmetic number, because the mean of its divisors is an integer number (2818710).

Almost surely, 2^20044120 is an apocalyptic number.

20044120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20044120 is an abundant number, since it is smaller than the sum of its proper divisors (25055240).

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

20044120 is a wasteful number, since it uses less digits than its factorization.

20044120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501114 (or 501110 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 20044120 is about 4477.0660035340. The cubic root of 20044120 is about 271.6412152418.

Adding to 20044120 its reverse (2144002), we get a palindrome (22188122).

It can be divided in two parts, 20044 and 120, that added together give a square (20164 = 142²).

The spelling of 20044120 in words is "twenty million, forty-four thousand, one hundred twenty".