20342303331430 has 16 divisors (see below), whose sum is σ = 36752265503280. Its totient is φ = 8106672553312.

The previous prime is 20342303331323. The next prime is 20342303331437. The reversal of 20342303331430 is 3413330324302.

It is a junction number, because it is equal to n+sod(n) for n = 20342303331392 and 20342303331401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20342303331437) 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 7 ways as a sum of consecutive naturals, for example, 3781094584 + ... + 3781099963.

It is an arithmetic number, because the mean of its divisors is an integer number (2297016593955).

Almost surely, 2^{20342303331430} is an apocalyptic number.

20342303331430 is a deficient number, since it is larger than the sum of its proper divisors (16409962171850).

20342303331430 is a wasteful number, since it uses less digits than its factorization.

20342303331430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7562194823.

The product of its (nonzero) digits is 46656, while the sum is 31.

Adding to 20342303331430 its reverse (3413330324302), we get a palindrome (23755633655732).

The spelling of 20342303331430 in words is "twenty trillion, three hundred forty-two billion, three hundred three million, three hundred thirty-one thousand, four hundred thirty".