20434531330530 has 48 divisors (see below), whose sum is σ = 53878088257344. Its totient is φ = 5372458939680.

The previous prime is 20434531330523. The next prime is 20434531330547. The reversal of 20434531330530 is 3503313543402.

20434531330530 is a `hidden beast` number, since 2 + 0 + 4 + 3 + 4 + 5 + 313 + 305 + 30 = 666.

It is a super-3 number, since 3×20434531330530³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1598939724 + ... + 1598952503.

It is an arithmetic number, because the mean of its divisors is an integer number (1122460172028).

Almost surely, 2^{20434531330530} is an apocalyptic number.

20434531330530 is an abundant number, since it is smaller than the sum of its proper divisors (33443556926814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20434531330530 is a wasteful number, since it uses less digits than its factorization.

20434531330530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197892311 (or 3197892308 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 36.

Adding to 20434531330530 its reverse (3503313543402), we get a palindrome (23937844873932).

The spelling of 20434531330530 in words is "twenty trillion, four hundred thirty-four billion, five hundred thirty-one million, three hundred thirty thousand, five hundred thirty".