20044004044042 has 16 divisors (see below), whose sum is σ = 32804083937952. Its totient is φ = 9109576319920.

The previous prime is 20044004044027. The next prime is 20044004044081. The reversal of 20044004044042 is 24044040044002.

It is a self number, because there is not a number n which added to its sum of digits gives 20044004044042.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66576853 + ... + 66877240.

It is an arithmetic number, because the mean of its divisors is an integer number (2050255246122).

Almost surely, 2^{20044004044042} is an apocalyptic number.

20044004044042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20044004044042 is a deficient number, since it is larger than the sum of its proper divisors (12760079893910).

20044004044042 is a wasteful number, since it uses less digits than its factorization.

20044004044042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133460933.

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

Adding to 20044004044042 its reverse (24044040044002), we get a palindrome (44088044088044).

The spelling of 20044004044042 in words is "twenty trillion, forty-four billion, four million, forty-four thousand, forty-two".