20334420142242 has 16 divisors (see below), whose sum is σ = 40746899485152. Its totient is φ = 6765130180640.

The previous prime is 20334420142241. The next prime is 20334420142261. The reversal of 20334420142242 is 24224102443302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20334420142241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3252463308 + ... + 3252469559.

It is an arithmetic number, because the mean of its divisors is an integer number (2546681217822).

Almost surely, 2^{20334420142242} is an apocalyptic number.

20334420142242 is an abundant number, since it is smaller than the sum of its proper divisors (20412479342910).

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

20334420142242 is a wasteful number, since it uses less digits than its factorization.

20334420142242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6504933393.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 20334420142242 its reverse (24224102443302), we get a palindrome (44558522585544).

The spelling of 20334420142242 in words is "twenty trillion, three hundred thirty-four billion, four hundred twenty million, one hundred forty-two thousand, two hundred forty-two".