20323416235 has 16 divisors (see below), whose sum is σ = 24652196352. Its totient is φ = 16082841600.

The previous prime is 20323416187. The next prime is 20323416259. The reversal of 20323416235 is 53261432302.

It is not a de Polignac number, because 20323416235 - 2⁷ = 20323416107 is a prime.

It is a super-3 number, since 3×20323416235³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20323416197 and 20323416206.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1038390 + ... + 1057780.

It is an arithmetic number, because the mean of its divisors is an integer number (1540762272).

Almost surely, 2^20323416235 is an apocalyptic number.

20323416235 is a deficient number, since it is larger than the sum of its proper divisors (4328780117).

20323416235 is a wasteful number, since it uses less digits than its factorization.

20323416235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21654.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 20323416235 its reverse (53261432302), we get a palindrome (73584848537).

The spelling of 20323416235 in words is "twenty billion, three hundred twenty-three million, four hundred sixteen thousand, two hundred thirty-five".