2044442042020 has 36 divisors (see below), whose sum is σ = 4994279847900. Its totient is φ = 700951556928.

The previous prime is 2044442041991. The next prime is 2044442042023. The reversal of 2044442042020 is 202402444402.

It can be written as a sum of positive squares in 2 ways, for example, as 457265373796 + 1587176668224 = 676214^2 + 1259832^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 2044442042020.

It is not an unprimeable number, because it can be changed into a prime (2044442042023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1043081695 + ... + 1043083654.

It is an arithmetic number, because the mean of its divisors is an integer number (138729995775).

Almost surely, 2^{2044442042020} is an apocalyptic number.

2044442042020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2044442042020 is an abundant number, since it is smaller than the sum of its proper divisors (2949837805880).

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

2044442042020 is a wasteful number, since it uses less digits than its factorization.

2044442042020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086165372 (or 2086165363 counting only the distinct ones).

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

Adding to 2044442042020 its reverse (202402444402), we get a palindrome (2246844486422).

The spelling of 2044442042020 in words is "two trillion, forty-four billion, four hundred forty-two million, forty-two thousand, twenty".