20535435334 has 16 divisors (see below), whose sum is σ = 32973940800. Its totient is φ = 9562440744.

The previous prime is 20535435331. The next prime is 20535435367. The reversal of 20535435334 is 43353453502.

It is a junction number, because it is equal to n+sod(n) for n = 20535435293 and 20535435302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20535435331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4577472 + ... + 4581955.

It is an arithmetic number, because the mean of its divisors is an integer number (2060871300).

Almost surely, 2^20535435334 is an apocalyptic number.

20535435334 is a deficient number, since it is larger than the sum of its proper divisors (12438505466).

20535435334 is a wasteful number, since it uses less digits than its factorization.

20535435334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9159507.

The product of its (nonzero) digits is 324000, while the sum is 37.

Adding to 20535435334 its reverse (43353453502), we get a palindrome (63888888836).

The spelling of 20535435334 in words is "twenty billion, five hundred thirty-five million, four hundred thirty-five thousand, three hundred thirty-four".