20225421514445 has 16 divisors (see below), whose sum is σ = 27737846851968. Its totient is φ = 13868797508160.

The previous prime is 20225421514433. The next prime is 20225421514451. The reversal of 20225421514445 is 54441512452202.

It is not a de Polignac number, because 20225421514445 - 2¹⁶ = 20225421448909 is a prime.

It is a Duffinian number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 7305875 + ... + 9686415.

It is an arithmetic number, because the mean of its divisors is an integer number (1733615428248).

Almost surely, 2^{20225421514445} is an apocalyptic number.

It is an amenable number.

20225421514445 is a deficient number, since it is larger than the sum of its proper divisors (7512425337523).

20225421514445 is a wasteful number, since it uses less digits than its factorization.

20225421514445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2623300.

The product of its (nonzero) digits is 512000, while the sum is 41.

Adding to 20225421514445 its reverse (54441512452202), we get a palindrome (74666933966647).

The spelling of 20225421514445 in words is "twenty trillion, two hundred twenty-five billion, four hundred twenty-one million, five hundred fourteen thousand, four hundred forty-five".