20234430042444 has 144 divisors (see below), whose sum is σ = 54654275370240. Its totient is φ = 6289788395520.

The previous prime is 20234430042361. The next prime is 20234430042457. The reversal of 20234430042444 is 44424003443202.

20234430042444 is a `hidden beast` number, since 2 + 0 + 2 + 344 + 300 + 4 + 2 + 4 + 4 + 4 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 20234430042399 and 20234430042408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 214958949 + ... + 215053059.

It is an arithmetic number, because the mean of its divisors is an integer number (379543578960).

Almost surely, 2^{20234430042444} 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 20234430042444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27327137685120).

20234430042444 is an abundant number, since it is smaller than the sum of its proper divisors (34419845327796).

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

20234430042444 is a wasteful number, since it uses less digits than its factorization.

20234430042444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97360 (or 97355 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 36.

Adding to 20234430042444 its reverse (44424003443202), we get a palindrome (64658433485646).

The spelling of 20234430042444 in words is "twenty trillion, two hundred thirty-four billion, four hundred thirty million, forty-two thousand, four hundred forty-four".