20320113342 has 16 divisors (see below), whose sum is σ = 40644627840. Its totient is φ = 6772637592.

The previous prime is 20320113329. The next prime is 20320113353. The reversal of 20320113342 is 24331102302.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 121768 + ... + 235515.

It is an arithmetic number, because the mean of its divisors is an integer number (2540289240).

Almost surely, 2^20320113342 is an apocalyptic number.

20320113342 is an abundant number, since it is smaller than the sum of its proper divisors (20324514498).

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

20320113342 is a wasteful number, since it uses less digits than its factorization.

20320113342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366767.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20320113342 its reverse (24331102302), we get a palindrome (44651215644).

The spelling of 20320113342 in words is "twenty billion, three hundred twenty million, one hundred thirteen thousand, three hundred forty-two".