20535235330 has 16 divisors (see below), whose sum is σ = 36988784640. Its totient is φ = 8208458352.

The previous prime is 20535235297. The next prime is 20535235333. The reversal of 20535235330 is 3353253502.

It is a junction number, because it is equal to n+sod(n) for n = 20535235292 and 20535235301.

It is not an unprimeable number, because it can be changed into a prime (20535235333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689154 + ... + 718333.

It is an arithmetic number, because the mean of its divisors is an integer number (2311799040).

Almost surely, 2^20535235330 is an apocalyptic number.

20535235330 is a deficient number, since it is larger than the sum of its proper divisors (16453549310).

20535235330 is a wasteful number, since it uses less digits than its factorization.

20535235330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408953.

The product of its (nonzero) digits is 40500, while the sum is 31.

Adding to 20535235330 its reverse (3353253502), we get a palindrome (23888488832).

The spelling of 20535235330 in words is "twenty billion, five hundred thirty-five million, two hundred thirty-five thousand, three hundred thirty".