20343040101 has 24 divisors (see below), whose sum is σ = 29597720256. Its totient is φ = 13463755200.

The previous prime is 20343040093. The next prime is 20343040163. The reversal of 20343040101 is 10104034302.

It is not a de Polignac number, because 20343040101 - 2³ = 20343040093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20343040171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1390776 + ... + 1405326.

It is an arithmetic number, because the mean of its divisors is an integer number (1233238344).

Almost surely, 2^20343040101 is an apocalyptic number.

It is an amenable number.

20343040101 is a deficient number, since it is larger than the sum of its proper divisors (9254680155).

20343040101 is a wasteful number, since it uses less digits than its factorization.

20343040101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15673 (or 15670 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20343040101 its reverse (10104034302), we get a palindrome (30447074403).

The spelling of 20343040101 in words is "twenty billion, three hundred forty-three million, forty thousand, one hundred one".