20354311326 has 16 divisors (see below), whose sum is σ = 40749465744. Its totient is φ = 6777963264.

The previous prime is 20354311267. The next prime is 20354311331. The reversal of 20354311326 is 62311345302.

It is a junction number, because it is equal to n+sod(n) for n = 20354311293 and 20354311302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1695315 + ... + 1707278.

It is an arithmetic number, because the mean of its divisors is an integer number (2546841609).

Almost surely, 2^20354311326 is an apocalyptic number.

20354311326 is an abundant number, since it is smaller than the sum of its proper divisors (20395154418).

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

20354311326 is a wasteful number, since it uses less digits than its factorization.

20354311326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403595.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 20354311326 its reverse (62311345302), we get a palindrome (82665656628).

The spelling of 20354311326 in words is "twenty billion, three hundred fifty-four million, three hundred eleven thousand, three hundred twenty-six".