20200042244442 has 16 divisors (see below), whose sum is σ = 40400156568672. Its totient is φ = 6733335401520.

The previous prime is 20200042244423. The next prime is 20200042244491. The reversal of 20200042244442 is 24444224000202.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 1063473 + ... + 6444459.

It is an arithmetic number, because the mean of its divisors is an integer number (2525009785542).

Almost surely, 2^{20200042244442} is an apocalyptic number.

20200042244442 is an abundant number, since it is smaller than the sum of its proper divisors (20200114324230).

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

20200042244442 is a wasteful number, since it uses less digits than its factorization.

20200042244442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6006653.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 20200042244442 its reverse (24444224000202), we get a palindrome (44644266244644).

The spelling of 20200042244442 in words is "twenty trillion, two hundred billion, forty-two million, two hundred forty-four thousand, four hundred forty-two".