20544052 has 6 divisors (see below), whose sum is σ = 35952098. Its totient is φ = 10272024.

The previous prime is 20544049. The next prime is 20544079. The reversal of 20544052 is 25044502.

It can be written as a sum of positive squares in only one way, i.e., 10278436 + 10265616 = 3206^2 + 3204^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2568003 + ... + 2568010.

Almost surely, 2^20544052 is an apocalyptic number.

It is an amenable number.

20544052 is a deficient number, since it is larger than the sum of its proper divisors (15408046).

20544052 is a wasteful number, since it uses less digits than its factorization.

20544052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5136017 (or 5136015 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 20544052 is about 4532.5546880319. The cubic root of 20544052 is about 273.8810821808.

Adding to 20544052 its reverse (25044502), we get a palindrome (45588554).

The spelling of 20544052 in words is "twenty million, five hundred forty-four thousand, fifty-two".