20504443225112 has 48 divisors (see below), whose sum is σ = 48295589430480. Its totient is φ = 7988744111040.

The previous prime is 20504443225111. The next prime is 20504443225153. The reversal of 20504443225112 is 21152234440502.

It is a super-3 number, since 3×20504443225112³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20504443225111) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1513012943 + ... + 1513026494.

It is an arithmetic number, because the mean of its divisors is an integer number (1006158113135).

Almost surely, 2^{20504443225112} is an apocalyptic number.

20504443225112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20504443225112 is an abundant number, since it is smaller than the sum of its proper divisors (27791146205368).

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

20504443225112 is a wasteful number, since it uses less digits than its factorization.

20504443225112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3026039472 (or 3026039457 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 20504443225112 its reverse (21152234440502), we get a palindrome (41656677665614).

The spelling of 20504443225112 in words is "twenty trillion, five hundred four billion, four hundred forty-three million, two hundred twenty-five thousand, one hundred twelve".