20203111330044 has 48 divisors (see below), whose sum is σ = 50306589462528. Its totient is φ = 6288323666688.

The previous prime is 20203111330043. The next prime is 20203111330063. The reversal of 20203111330044 is 44003311130202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20203111329996 and 20203111330023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203111330043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389875114 + ... + 389926929.

It is an arithmetic number, because the mean of its divisors is an integer number (1048053947136).

Almost surely, 2^{20203111330044} is an apocalyptic number.

It is an amenable number.

20203111330044 is an abundant number, since it is smaller than the sum of its proper divisors (30103478132484).

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

20203111330044 is a wasteful number, since it uses less digits than its factorization.

20203111330044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779802194 (or 779802192 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20203111330044 its reverse (44003311130202), we get a palindrome (64206422460246).

The spelling of 20203111330044 in words is "twenty trillion, two hundred three billion, one hundred eleven million, three hundred thirty thousand, forty-four".