20011442000242 has 16 divisors (see below), whose sum is σ = 37423995429312. Its totient is φ = 7796665714320.

The previous prime is 20011442000227. The next prime is 20011442000293. The reversal of 20011442000242 is 24200024411002.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 64972214133 + ... + 64972214440.

It is an arithmetic number, because the mean of its divisors is an integer number (2338999714332).

Almost surely, 2^{20011442000242} is an apocalyptic number.

20011442000242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20011442000242 is a deficient number, since it is larger than the sum of its proper divisors (17412553429070).

20011442000242 is a wasteful number, since it uses less digits than its factorization.

20011442000242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129944428593.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 20011442000242 its reverse (24200024411002), we get a palindrome (44211466411244).

The spelling of 20011442000242 in words is "twenty trillion, eleven billion, four hundred forty-two million, two hundred forty-two", and thus it is an aban number.