20432424011 has 16 divisors (see below), whose sum is σ = 20662408800. Its totient is φ = 20204287488.

The previous prime is 20432424007. The next prime is 20432424071. The reversal of 20432424011 is 11042423402.

It is a cyclic number.

It is not a de Polignac number, because 20432424011 - 2² = 20432424007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20432424071) 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, 34455731 + ... + 34456323.

It is an arithmetic number, because the mean of its divisors is an integer number (1291400550).

Almost surely, 2^20432424011 is an apocalyptic number.

20432424011 is a deficient number, since it is larger than the sum of its proper divisors (229984789).

20432424011 is a wasteful number, since it uses less digits than its factorization.

20432424011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20432424011 its reverse (11042423402), we get a palindrome (31474847413).

The spelling of 20432424011 in words is "twenty billion, four hundred thirty-two million, four hundred twenty-four thousand, eleven".