20334244245445 has 32 divisors (see below), whose sum is σ = 26543019172320. Its totient is φ = 14864728166400.

The previous prime is 20334244245373. The next prime is 20334244245481. The reversal of 20334244245445 is 54454244243302.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 3183166244449 + 17151078000996 = 1784143^2 + 4141386^2 .

It is not a de Polignac number, because 20334244245445 - 2²¹ = 20334242148293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20334244245395 and 20334244245404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36864441 + ... + 37411969.

It is an arithmetic number, because the mean of its divisors is an integer number (829469349135).

Almost surely, 2^{20334244245445} is an apocalyptic number.

It is an amenable number.

20334244245445 is a deficient number, since it is larger than the sum of its proper divisors (6208774926875).

20334244245445 is a wasteful number, since it uses less digits than its factorization.

20334244245445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553305.

The product of its (nonzero) digits is 7372800, while the sum is 46.

Adding to 20334244245445 its reverse (54454244243302), we get a palindrome (74788488488747).

The spelling of 20334244245445 in words is "twenty trillion, three hundred thirty-four billion, two hundred forty-four million, two hundred forty-five thousand, four hundred forty-five".