30443132020 has 48 divisors (see below), whose sum is σ = 73098805248. Its totient is φ = 10432604160.

The previous prime is 30443131969. The next prime is 30443132023. The reversal of 30443132020 is 2023134403.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30443131982 and 30443132000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30443132023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244365 + ... + 347275.

It is an arithmetic number, because the mean of its divisors is an integer number (1522891776).

Almost surely, 2^30443132020 is an apocalyptic number.

It is an amenable number.

30443132020 is an abundant number, since it is smaller than the sum of its proper divisors (42655673228).

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

30443132020 is a wasteful number, since it uses less digits than its factorization.

30443132020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105040 (or 105038 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 30443132020 its reverse (2023134403), we get a palindrome (32466266423).

The spelling of 30443132020 in words is "thirty billion, four hundred forty-three million, one hundred thirty-two thousand, twenty".