20225446368 has 24 divisors (see below), whose sum is σ = 53091796968. Its totient is φ = 6741815424.

The previous prime is 20225446361. The next prime is 20225446379. The reversal of 20225446368 is 86364452202.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20225446361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105340771 + ... + 105340962.

It is an arithmetic number, because the mean of its divisors is an integer number (2212158207).

Almost surely, 2^20225446368 is an apocalyptic number.

It is an amenable number.

20225446368 is an abundant number, since it is smaller than the sum of its proper divisors (32866350600).

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

20225446368 is a wasteful number, since it uses less digits than its factorization.

20225446368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210681746 (or 210681738 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 20225446368 in words is "twenty billion, two hundred twenty-five million, four hundred forty-six thousand, three hundred sixty-eight".