20103442003044 has 72 divisors (see below), whose sum is σ = 52574251012920. Its totient is φ = 6469469529600.

The previous prime is 20103442003033. The next prime is 20103442003103. The reversal of 20103442003044 is 44030024430102.

It is a happy number.

20103442003044 is a `hidden beast` number, since 2 + 0 + 10 + 344 + 2 + 0 + 0 + 304 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7589804601600 + 12513637401444 = 2754960^2 + 3537462^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20103442002999 and 20103442003017.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10362304 + ... + 12148424.

It is an arithmetic number, because the mean of its divisors is an integer number (730197930735).

Almost surely, 2^{20103442003044} is an apocalyptic number.

It is an amenable number.

20103442003044 is an abundant number, since it is smaller than the sum of its proper divisors (32470809009876).

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

20103442003044 is a wasteful number, since it uses less digits than its factorization.

20103442003044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796941 (or 1796936 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 20103442003044 its reverse (44030024430102), we get a palindrome (64133466433146).

The spelling of 20103442003044 in words is "twenty trillion, one hundred three billion, four hundred forty-two million, three thousand, forty-four".