20540444304 has 80 divisors (see below), whose sum is σ = 55882137600. Its totient is φ = 6483374208.

The previous prime is 20540444299. The next prime is 20540444311. The reversal of 20540444304 is 40344404502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2621737 + ... + 2629559.

It is an arithmetic number, because the mean of its divisors is an integer number (698526720).

Almost surely, 2^20540444304 is an apocalyptic number.

20540444304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20540444304 is an abundant number, since it is smaller than the sum of its proper divisors (35341693296).

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

20540444304 is a wasteful number, since it uses less digits than its factorization.

20540444304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10732 (or 10726 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 20540444304 its reverse (40344404502), we get a palindrome (60884848806).

The spelling of 20540444304 in words is "twenty billion, five hundred forty million, four hundred forty-four thousand, three hundred four".