20017101 has 16 divisors (see below), whose sum is σ = 29151360. Its totient is φ = 12143040.

The previous prime is 20017091. The next prime is 20017117. The reversal of 20017101 is 10171002.

It is not a de Polignac number, because 20017101 - 2⁹ = 20016589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20017141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 846 + ... + 6383.

It is an arithmetic number, because the mean of its divisors is an integer number (1821960).

Almost surely, 2^20017101 is an apocalyptic number.

It is an amenable number.

20017101 is a deficient number, since it is larger than the sum of its proper divisors (9134259).

20017101 is a wasteful number, since it uses less digits than its factorization.

20017101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7316.

The product of its (nonzero) digits is 14, while the sum is 12.

The square root of 20017101 is about 4474.0474963952. The cubic root of 20017101 is about 271.5191050456.

Adding to 20017101 its reverse (10171002), we get a palindrome (30188103).

The spelling of 20017101 in words is "twenty million, seventeen thousand, one hundred one".