20354311334 has 32 divisors (see below), whose sum is σ = 36443437056. Its totient is φ = 8336386080.

The previous prime is 20354311331. The next prime is 20354311343. The reversal of 20354311334 is 43311345302.

It is a junction number, because it is equal to n+sod(n) for n = 20354311297 and 20354311306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20354311331) 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 15 ways as a sum of consecutive naturals, for example, 331379 + ... + 387969.

It is an arithmetic number, because the mean of its divisors is an integer number (1138857408).

Almost surely, 2^20354311334 is an apocalyptic number.

20354311334 is a deficient number, since it is larger than the sum of its proper divisors (16089125722).

20354311334 is a wasteful number, since it uses less digits than its factorization.

20354311334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57740.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 20354311334 its reverse (43311345302), we get a palindrome (63665656636).

The spelling of 20354311334 in words is "twenty billion, three hundred fifty-four million, three hundred eleven thousand, three hundred thirty-four".