20330230343 has 4 divisors (see below), whose sum is σ = 20333339328. Its totient is φ = 20327121360.

The previous prime is 20330230339. The next prime is 20330230363. The reversal of 20330230343 is 34303203302.

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

It is a cyclic number.

It is not a de Polignac number, because 20330230343 - 2² = 20330230339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330230313) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1544663 + ... + 1557768.

It is an arithmetic number, because the mean of its divisors is an integer number (5083334832).

Almost surely, 2^20330230343 is an apocalyptic number.

20330230343 is a deficient number, since it is larger than the sum of its proper divisors (3108985).

20330230343 is an equidigital number, since it uses as much as digits as its factorization.

20330230343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108984.

The product of its (nonzero) digits is 3888, while the sum is 23.

Adding to 20330230343 its reverse (34303203302), we get a palindrome (54633433645).

The spelling of 20330230343 in words is "twenty billion, three hundred thirty million, two hundred thirty thousand, three hundred forty-three".