20140243101 has 12 divisors (see below), whose sum is σ = 31736140800. Its totient is φ = 12206207880.

The previous prime is 20140243099. The next prime is 20140243129. The reversal of 20140243101 is 10134204102.

It is not a de Polignac number, because 20140243101 - 2¹ = 20140243099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20140243301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101718301 + ... + 101718498.

It is an arithmetic number, because the mean of its divisors is an integer number (2644678400).

Almost surely, 2^20140243101 is an apocalyptic number.

It is an amenable number.

20140243101 is a deficient number, since it is larger than the sum of its proper divisors (11595897699).

20140243101 is a wasteful number, since it uses less digits than its factorization.

20140243101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203436816 (or 203436813 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20140243101 its reverse (10134204102), we get a palindrome (30274447203).

The spelling of 20140243101 in words is "twenty billion, one hundred forty million, two hundred forty-three thousand, one hundred one".