20242423444212 has 144 divisors (see below), whose sum is σ = 54775685607552. Its totient is φ = 6280733030400.

The previous prime is 20242423444193. The next prime is 20242423444219. The reversal of 20242423444212 is 21244432424202.

20242423444212 is a `hidden beast` number, since 2 + 0 + 24 + 242 + 344 + 42 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20242423444219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39098713 + ... + 39613055.

It is an arithmetic number, because the mean of its divisors is an integer number (380386705608).

Almost surely, 2^{20242423444212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20242423444212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27387842803776).

20242423444212 is an abundant number, since it is smaller than the sum of its proper divisors (34533262163340).

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

20242423444212 is a wasteful number, since it uses less digits than its factorization.

20242423444212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515078 (or 515073 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 20242423444212 its reverse (21244432424202), we get a palindrome (41486855868414).

The spelling of 20242423444212 in words is "twenty trillion, two hundred forty-two billion, four hundred twenty-three million, four hundred forty-four thousand, two hundred twelve".