20444240000442 has 16 divisors (see below), whose sum is σ = 40982910675840. Its totient is φ = 6799008220992.

The previous prime is 20444240000423. The next prime is 20444240000461. The reversal of 20444240000442 is 24400004244402.

It is an interprime number because it is at equal distance from previous prime (20444240000423) and next prime (20444240000461).

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, 3934608642 + ... + 3934613837.

It is an arithmetic number, because the mean of its divisors is an integer number (2561431917240).

Almost surely, 2^{20444240000442} is an apocalyptic number.

20444240000442 is an abundant number, since it is smaller than the sum of its proper divisors (20538670675398).

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

20444240000442 is a wasteful number, since it uses less digits than its factorization.

20444240000442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7869222917.

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

Adding to 20444240000442 its reverse (24400004244402), we get a palindrome (44844244244844).

The spelling of 20444240000442 in words is "twenty trillion, four hundred forty-four billion, two hundred forty million, four hundred forty-two", and thus it is an aban number.