20710106 has 8 divisors (see below), whose sum is σ = 31274100. Its totient is φ = 10285408.

The previous prime is 20710093. The next prime is 20710111. The reversal of 20710106 is 60101702.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17850625 + 2859481 = 4225^2 + 1691^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34451 + ... + 35046.

Almost surely, 2^20710106 is an apocalyptic number.

20710106 is a deficient number, since it is larger than the sum of its proper divisors (10563994).

20710106 is a wasteful number, since it uses less digits than its factorization.

20710106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69648.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 20710106 is about 4550.8357474205. The cubic root of 20710106 is about 274.6170139794.

Adding to 20710106 its reverse (60101702), we get a palindrome (80811808).

The spelling of 20710106 in words is "twenty million, seven hundred ten thousand, one hundred six".