20041203444 has 12 divisors (see below), whose sum is σ = 46762808064. Its totient is φ = 6680401144.

The previous prime is 20041203443. The next prime is 20041203487. The reversal of 20041203444 is 44430214002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×20041203444² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20041203443) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 835050132 + ... + 835050155.

It is an arithmetic number, because the mean of its divisors is an integer number (3896900672).

Almost surely, 2^20041203444 is an apocalyptic number.

It is an amenable number.

20041203444 is an abundant number, since it is smaller than the sum of its proper divisors (26721604620).

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

20041203444 is a wasteful number, since it uses less digits than its factorization.

20041203444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670100294 (or 1670100292 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20041203444 its reverse (44430214002), we get a palindrome (64471417446).

The spelling of 20041203444 in words is "twenty billion, forty-one million, two hundred three thousand, four hundred forty-four".