20330353533530 has 64 divisors (see below), whose sum is σ = 38377580163840. Its totient is φ = 7743664986624.

The previous prime is 20330353533509. The next prime is 20330353533541. The reversal of 20330353533530 is 3533535303302.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 641583347 + ... + 641615033.

It is an arithmetic number, because the mean of its divisors is an integer number (599649690060).

Almost surely, 2^{20330353533530} is an apocalyptic number.

20330353533530 is a deficient number, since it is larger than the sum of its proper divisors (18047226630310).

20330353533530 is a wasteful number, since it uses less digits than its factorization.

20330353533530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62103.

The product of its (nonzero) digits is 546750, while the sum is 38.

Adding to 20330353533530 its reverse (3533535303302), we get a palindrome (23863888836832).

The spelling of 20330353533530 in words is "twenty trillion, three hundred thirty billion, three hundred fifty-three million, five hundred thirty-three thousand, five hundred thirty".