20441213442 has 96 divisors (see below), whose sum is σ = 49353647616. Its totient is φ = 6072019200.

The previous prime is 20441213437. The next prime is 20441213459. The reversal of 20441213442 is 24431214402.

20441213442 is a `hidden beast` number, since 2 + 0 + 4 + 4 + 1 + 213 + 442 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3210342 + ... + 3216702.

It is an arithmetic number, because the mean of its divisors is an integer number (514100496).

Almost surely, 2^20441213442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20441213442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24676823808).

20441213442 is an abundant number, since it is smaller than the sum of its proper divisors (28912434174).

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

20441213442 is a wasteful number, since it uses less digits than its factorization.

20441213442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6856 (or 6853 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 20441213442 its reverse (24431214402), we get a palindrome (44872427844).

The spelling of 20441213442 in words is "twenty billion, four hundred forty-one million, two hundred thirteen thousand, four hundred forty-two".