20344303135 has 16 divisors (see below), whose sum is σ = 26294081184. Its totient is φ = 15021781632.

The previous prime is 20344303117. The next prime is 20344303139. The reversal of 20344303135 is 53130344302.

It is not a de Polignac number, because 20344303135 - 2¹⁵ = 20344270367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20344303139) 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, 1052064 + ... + 1071226.

It is an arithmetic number, because the mean of its divisors is an integer number (1643380074).

Almost surely, 2^20344303135 is an apocalyptic number.

20344303135 is a deficient number, since it is larger than the sum of its proper divisors (5949778049).

20344303135 is a wasteful number, since it uses less digits than its factorization.

20344303135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35514.

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 20344303135 its reverse (53130344302), we get a palindrome (73474647437).

The spelling of 20344303135 in words is "twenty billion, three hundred forty-four million, three hundred three thousand, one hundred thirty-five".