20203211044 has 9 divisors (see below), whose sum is σ = 35356116817. Its totient is φ = 10101463384.

The previous prime is 20203211027. The next prime is 20203211089. The reversal of 20203211044 is 44011230202.

The square root of 20203211044 is 142138.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 5116644 + 20198094400 = 2262^2 + 142120^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 248742 + ... + 319810.

Almost surely, 2^20203211044 is an apocalyptic number.

20203211044 is the 142138-th square number.

It is an amenable number.

20203211044 is a deficient number, since it is larger than the sum of its proper divisors (15152905773).

20203211044 is an frugal number, since it uses more digits than its factorization.

20203211044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142142 (or 71071 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20203211044 its reverse (44011230202), we get a palindrome (64214441246).

The spelling of 20203211044 in words is "twenty billion, two hundred three million, two hundred eleven thousand, forty-four".