32420330443 has 4 divisors (see below), whose sum is σ = 32904216040. Its totient is φ = 31936444848.

The previous prime is 32420330431. The next prime is 32420330461. The reversal of 32420330443 is 34403302423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34403302423 = 7 ⋅4914757489.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32420330443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32420330473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241942698 + ... + 241942831.

It is an arithmetic number, because the mean of its divisors is an integer number (8226054010).

Almost surely, 2^32420330443 is an apocalyptic number.

32420330443 is a deficient number, since it is larger than the sum of its proper divisors (483885597).

32420330443 is an equidigital number, since it uses as much as digits as its factorization.

32420330443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483885596.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 32420330443 its reverse (34403302423), we get a palindrome (66823632866).

The spelling of 32420330443 in words is "thirty-two billion, four hundred twenty million, three hundred thirty thousand, four hundred forty-three".