20342004330 has 64 divisors (see below), whose sum is σ = 52175871360. Its totient is φ = 5057716224.

The previous prime is 20342004317. The next prime is 20342004373. The reversal of 20342004330 is 3340024302.

It is a junction number, because it is equal to n+sod(n) for n = 20342004297 and 20342004306.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 131815 + ... + 240954.

It is an arithmetic number, because the mean of its divisors is an integer number (815247990).

Almost surely, 2^20342004330 is an apocalyptic number.

20342004330 is an abundant number, since it is smaller than the sum of its proper divisors (31833867030).

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

20342004330 is a wasteful number, since it uses less digits than its factorization.

20342004330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372903.

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 20342004330 its reverse (3340024302), we get a palindrome (23682028632).

The spelling of 20342004330 in words is "twenty billion, three hundred forty-two million, four thousand, three hundred thirty".