20042444012316 has 24 divisors (see below), whose sum is σ = 51017130213504. Its totient is φ = 6073467882480.

The previous prime is 20042444012303. The next prime is 20042444012317. The reversal of 20042444012316 is 61321044424002.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20042444012317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75918348400 + ... + 75918348663.

It is an arithmetic number, because the mean of its divisors is an integer number (2125713758896).

Almost surely, 2^{20042444012316} is an apocalyptic number.

It is an amenable number.

20042444012316 is an abundant number, since it is smaller than the sum of its proper divisors (30974686201188).

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

20042444012316 is a wasteful number, since it uses less digits than its factorization.

20042444012316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151836697081 (or 151836697079 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 20042444012316 its reverse (61321044424002), we get a palindrome (81363488436318).

The spelling of 20042444012316 in words is "twenty trillion, forty-two billion, four hundred forty-four million, twelve thousand, three hundred sixteen".