20523012244 has 48 divisors (see below), whose sum is σ = 41460249600. Its totient is φ = 8706963456.

The previous prime is 20523012229. The next prime is 20523012253. The reversal of 20523012244 is 44221032502.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 4389492 + ... + 4394164.

It is an arithmetic number, because the mean of its divisors is an integer number (863755200).

Almost surely, 2^20523012244 is an apocalyptic number.

It is an amenable number.

20523012244 is an abundant number, since it is smaller than the sum of its proper divisors (20937237356).

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

20523012244 is a wasteful number, since it uses less digits than its factorization.

20523012244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6232 (or 6230 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 20523012244 its reverse (44221032502), we get a palindrome (64744044746).

The spelling of 20523012244 in words is "twenty billion, five hundred twenty-three million, twelve thousand, two hundred forty-four".