20127706 has 16 divisors (see below), whose sum is σ = 30969000. Its totient is φ = 9808128.

The previous prime is 20127683. The next prime is 20127713. The reversal of 20127706 is 60772102.

It can be written as a sum of positive squares in 4 ways, for example, as 13579225 + 6548481 = 3685^2 + 2559^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12220 + ... + 13768.

Almost surely, 2^20127706 is an apocalyptic number.

20127706 is a deficient number, since it is larger than the sum of its proper divisors (10841294).

20127706 is a wasteful number, since it uses less digits than its factorization.

20127706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 20127706 is about 4486.3912000627. The cubic root of 20127706 is about 272.0182820036.

Adding to 20127706 its reverse (60772102), we get a palindrome (80899808).

The spelling of 20127706 in words is "twenty million, one hundred twenty-seven thousand, seven hundred six".