20053544 has 24 divisors (see below), whose sum is σ = 43740090. Its totient is φ = 8594208.

The previous prime is 20053543. The next prime is 20053571. The reversal of 20053544 is 44535002.

It can be written as a sum of positive squares in only one way, i.e., 10824100 + 9229444 = 3290^2 + 3038^2 .

It is not an unprimeable number, because it can be changed into a prime (20053541) 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 5 ways as a sum of consecutive naturals, for example, 25187 + ... + 25970.

Almost surely, 2^20053544 is an apocalyptic number.

It is an amenable number.

20053544 is an abundant number, since it is smaller than the sum of its proper divisors (23686546).

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

20053544 is a wasteful number, since it uses less digits than its factorization.

20053544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51177 (or 51166 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 20053544 is about 4478.1183548450. The cubic root of 20053544 is about 271.6837804384.

Adding to 20053544 its reverse (44535002), we get a palindrome (64588546).

The spelling of 20053544 in words is "twenty million, fifty-three thousand, five hundred forty-four".