20744052 has 36 divisors (see below), whose sum is σ = 56306880. Its totient is φ = 5926704.

The previous prime is 20744051. The next prime is 20744081. The reversal of 20744052 is 25044702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20744051) 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 11 ways as a sum of consecutive naturals, for example, 17052 + ... + 18227.

It is an arithmetic number, because the mean of its divisors is an integer number (1564080).

Almost surely, 2^20744052 is an apocalyptic number.

It is an amenable number.

20744052 is an abundant number, since it is smaller than the sum of its proper divisors (35562828).

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

20744052 is a wasteful number, since it uses less digits than its factorization.

20744052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35300 (or 35291 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 20744052 is about 4554.5638649601. The cubic root of 20744052 is about 274.7669739469.

Adding to 20744052 its reverse (25044702), we get a palindrome (45788754).

The spelling of 20744052 in words is "twenty million, seven hundred forty-four thousand, fifty-two".