20430330043020 has 96 divisors (see below), whose sum is σ = 61351855246080. Its totient is φ = 5063962625280.

The previous prime is 20430330042949. The next prime is 20430330043031. The reversal of 20430330043020 is 2034003303402.

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, 169008846 + ... + 169129685.

It is an arithmetic number, because the mean of its divisors is an integer number (639081825480).

Almost surely, 2^{20430330043020} is an apocalyptic number.

20430330043020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20430330043020 is an abundant number, since it is smaller than the sum of its proper divisors (40921525203060).

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

20430330043020 is a wasteful number, since it uses less digits than its factorization.

20430330043020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338138615 (or 338138613 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 20430330043020 its reverse (2034003303402), we get a palindrome (22464333346422).

The spelling of 20430330043020 in words is "twenty trillion, four hundred thirty billion, three hundred thirty million, forty-three thousand, twenty".