20225636545312 has 24 divisors (see below), whose sum is σ = 43439151217392. Its totient is φ = 9193471156800.

The previous prime is 20225636545273. The next prime is 20225636545321. The reversal of 20225636545312 is 21354563652202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28729597014 + ... + 28729597717.

It is an arithmetic number, because the mean of its divisors is an integer number (1809964634058).

Almost surely, 2^{20225636545312} is an apocalyptic number.

20225636545312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20225636545312 is an abundant number, since it is smaller than the sum of its proper divisors (23213514672080).

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

20225636545312 is a wasteful number, since it uses less digits than its factorization.

20225636545312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57459194752 (or 57459194744 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 20225636545312 in words is "twenty trillion, two hundred twenty-five billion, six hundred thirty-six million, five hundred forty-five thousand, three hundred twelve".