20434101424 has 20 divisors (see below), whose sum is σ = 43190260200. Its totient is φ = 9288227840.

The previous prime is 20434101379. The next prime is 20434101427. The reversal of 20434101424 is 42410143402.

It is not an unprimeable number, because it can be changed into a prime (20434101427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58051249 + ... + 58051600.

It is an arithmetic number, because the mean of its divisors is an integer number (2159513010).

Almost surely, 2^20434101424 is an apocalyptic number.

It is an amenable number.

20434101424 is an abundant number, since it is smaller than the sum of its proper divisors (22756158776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20434101424 is a wasteful number, since it uses less digits than its factorization.

20434101424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116102868 (or 116102862 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 20434101424 its reverse (42410143402), we get a palindrome (62844244826).

The spelling of 20434101424 in words is "twenty billion, four hundred thirty-four million, one hundred one thousand, four hundred twenty-four".