20043101 has 8 divisors (see below), whose sum is σ = 21690144. Its totient is φ = 18411120.

The previous prime is 20043083. The next prime is 20043151. The reversal of 20043101 is 10134002.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-20043101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20043151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911 + ... + 6396.

It is an arithmetic number, because the mean of its divisors is an integer number (2711268).

Almost surely, 2^20043101 is an apocalyptic number.

It is an amenable number.

20043101 is a deficient number, since it is larger than the sum of its proper divisors (1647043).

20043101 is a wasteful number, since it uses less digits than its factorization.

20043101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7531.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 20043101 is about 4476.9521998788. The cubic root of 20043101 is about 271.6366119452.

Adding to 20043101 its reverse (10134002), we get a palindrome (30177103).

Subtracting from 20043101 its reverse (10134002), we obtain a palindrome (9909099).

The spelling of 20043101 in words is "twenty million, forty-three thousand, one hundred one".