20053044 has 72 divisors (see below), whose sum is σ = 56085120. Its totient is φ = 5990400.

The previous prime is 20053043. The next prime is 20053091. The reversal of 20053044 is 44035002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20053043) 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 23 ways as a sum of consecutive naturals, for example, 30964 + ... + 31604.

It is an arithmetic number, because the mean of its divisors is an integer number (778960).

Almost surely, 2^20053044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20053044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28042560).

20053044 is an abundant number, since it is smaller than the sum of its proper divisors (36032076).

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

20053044 is a wasteful number, since it uses less digits than its factorization.

20053044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 20053044 is about 4478.0625274777. The cubic root of 20053044 is about 271.6815224332.

Adding to 20053044 its reverse (44035002), we get a palindrome (64088046).

The spelling of 20053044 in words is "twenty million, fifty-three thousand, forty-four".