20244220420042 has 16 divisors (see below), whose sum is σ = 30487441750272. Its totient is φ = 10081772254080.

The previous prime is 20244220420033. The next prime is 20244220420069. The reversal of 20244220420042 is 24002402244202.

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, 6853959 + ... + 9352282.

It is an arithmetic number, because the mean of its divisors is an integer number (1905465109392).

Almost surely, 2^{20244220420042} is an apocalyptic number.

20244220420042 is a deficient number, since it is larger than the sum of its proper divisors (10243221330230).

20244220420042 is a wasteful number, since it uses less digits than its factorization.

20244220420042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16208733.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 20244220420042 its reverse (24002402244202), we get a palindrome (44246622664244).

The spelling of 20244220420042 in words is "twenty trillion, two hundred forty-four billion, two hundred twenty million, four hundred twenty thousand, forty-two".