20010240544 has 72 divisors (see below), whose sum is σ = 47065728780. Its totient is φ = 8344014336.

The previous prime is 20010240517. The next prime is 20010240563. The reversal of 20010240544 is 44504201002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19404490000 + 605750544 = 139300^2 + 24612^2 .

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 11 ways as a sum of consecutive naturals, for example, 114439 + ... + 230470.

Almost surely, 2^20010240544 is an apocalyptic number.

It is an amenable number.

20010240544 is an abundant number, since it is smaller than the sum of its proper divisors (27055488236).

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

20010240544 is a wasteful number, since it uses less digits than its factorization.

20010240544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344970 (or 344955 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 20010240544 its reverse (44504201002), we get a palindrome (64514441546).

The spelling of 20010240544 in words is "twenty billion, ten million, two hundred forty thousand, five hundred forty-four".