20127752 has 16 divisors (see below), whose sum is σ = 37815660. Its totient is φ = 10043584.

The previous prime is 20127739. The next prime is 20127781. The reversal of 20127752 is 25772102.

It can be written as a sum of positive squares in 2 ways, for example, as 13645636 + 6482116 = 3694^2 + 2546^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2198 + ... + 6714.

Almost surely, 2^20127752 is an apocalyptic number.

It is an amenable number.

20127752 is a deficient number, since it is larger than the sum of its proper divisors (17687908).

20127752 is a wasteful number, since it uses less digits than its factorization.

20127752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5080 (or 5076 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 20127752 is about 4486.3963266747. The cubic root of 20127752 is about 272.0184892276.

Adding to 20127752 its reverse (25772102), we get a palindrome (45899854).

The spelling of 20127752 in words is "twenty million, one hundred twenty-seven thousand, seven hundred fifty-two".