20313115342 has 32 divisors (see below), whose sum is σ = 33759667872. Its totient is φ = 9108785664.

The previous prime is 20313115313. The next prime is 20313115343. The reversal of 20313115342 is 24351131302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313115343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47298 + ... + 207034.

It is an arithmetic number, because the mean of its divisors is an integer number (1054989621).

Almost surely, 2^20313115342 is an apocalyptic number.

20313115342 is a deficient number, since it is larger than the sum of its proper divisors (13446552530).

20313115342 is a wasteful number, since it uses less digits than its factorization.

20313115342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159892.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 20313115342 its reverse (24351131302), we get a palindrome (44664246644).

The spelling of 20313115342 in words is "twenty billion, three hundred thirteen million, one hundred fifteen thousand, three hundred forty-two".