20310240342304 has 96 divisors (see below), whose sum is σ = 45929187682560. Its totient is φ = 8743656326400.

The previous prime is 20310240342299. The next prime is 20310240342317. The reversal of 20310240342304 is 40324304201302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24274027 + ... + 25096789.

It is an arithmetic number, because the mean of its divisors is an integer number (478429038360).

Almost surely, 2^{20310240342304} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20310240342304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22964593841280).

20310240342304 is an abundant number, since it is smaller than the sum of its proper divisors (25618947340256).

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

20310240342304 is a wasteful number, since it uses less digits than its factorization.

20310240342304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826494 (or 826486 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 20310240342304 its reverse (40324304201302), we get a palindrome (60634544543606).

The spelling of 20310240342304 in words is "twenty trillion, three hundred ten billion, two hundred forty million, three hundred forty-two thousand, three hundred four".