20313133430142 has 64 divisors (see below), whose sum is σ = 48901507743744. Its totient is φ = 5499532932960.

The previous prime is 20313133430059. The next prime is 20313133430153. The reversal of 20313133430142 is 24103433131302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98158734 + ... + 98365457.

It is an arithmetic number, because the mean of its divisors is an integer number (764086058496).

Almost surely, 2^{20313133430142} is an apocalyptic number.

20313133430142 is an abundant number, since it is smaller than the sum of its proper divisors (28588374313602).

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

20313133430142 is a wasteful number, since it uses less digits than its factorization.

20313133430142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196524333.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 20313133430142 its reverse (24103433131302), we get a palindrome (44416566561444).

The spelling of 20313133430142 in words is "twenty trillion, three hundred thirteen billion, one hundred thirty-three million, four hundred thirty thousand, one hundred forty-two".