20313230302442 has 96 divisors (see below), whose sum is σ = 39237508852416. Its totient is φ = 7798141209600.

The previous prime is 20313230302259. The next prime is 20313230302451. The reversal of 20313230302442 is 24420303231302.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23308592 + ... + 24164372.

It is an arithmetic number, because the mean of its divisors is an integer number (408724050546).

Almost surely, 2^{20313230302442} is an apocalyptic number.

20313230302442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20313230302442 is a deficient number, since it is larger than the sum of its proper divisors (18924278549974).

20313230302442 is a wasteful number, since it uses less digits than its factorization.

20313230302442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856132 (or 856125 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 20313230302442 its reverse (24420303231302), we get a palindrome (44733533533744).

The spelling of 20313230302442 in words is "twenty trillion, three hundred thirteen billion, two hundred thirty million, three hundred two thousand, four hundred forty-two".