20707101 has 12 divisors (see below), whose sum is σ = 30875520. Its totient is φ = 13359240.

The previous prime is 20707097. The next prime is 20707109. The reversal of 20707101 is 10170702.

It is not a de Polignac number, because 20707101 - 2² = 20707097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20707109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36831 + ... + 37388.

It is an arithmetic number, because the mean of its divisors is an integer number (2572960).

Almost surely, 2^20707101 is an apocalyptic number.

It is an amenable number.

20707101 is a deficient number, since it is larger than the sum of its proper divisors (10168419).

20707101 is a wasteful number, since it uses less digits than its factorization.

20707101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74256 (or 74253 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 18.

The square root of 20707101 is about 4550.5055763069. The cubic root of 20707101 is about 274.6037311882.

Adding to 20707101 its reverse (10170702), we get a palindrome (30877803).

The spelling of 20707101 in words is "twenty million, seven hundred seven thousand, one hundred one".