20330132347 has 4 divisors (see below), whose sum is σ = 23234436976. Its totient is φ = 17425827720.

The previous prime is 20330132327. The next prime is 20330132353. The reversal of 20330132347 is 74323103302.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20330132347 - 2³¹ = 18182648699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20330132327) 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, 1452152304 + ... + 1452152317.

It is an arithmetic number, because the mean of its divisors is an integer number (5808609244).

Almost surely, 2^20330132347 is an apocalyptic number.

20330132347 is a deficient number, since it is larger than the sum of its proper divisors (2904304629).

20330132347 is an equidigital number, since it uses as much as digits as its factorization.

20330132347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2904304628.

The product of its (nonzero) digits is 9072, while the sum is 28.

Adding to 20330132347 its reverse (74323103302), we get a palindrome (94653235649).

The spelling of 20330132347 in words is "twenty billion, three hundred thirty million, one hundred thirty-two thousand, three hundred forty-seven".