20034313243245 has 24 divisors (see below), whose sum is σ = 39687020520576. Its totient is φ = 9158543196768.

The previous prime is 20034313243187. The next prime is 20034313243277. The reversal of 20034313243245 is 54234231343002.

20034313243245 is a `hidden beast` number, since 2 + 0 + 0 + 3 + 4 + 3 + 1 + 324 + 324 + 5 = 666.

It is not a de Polignac number, because 20034313243245 - 2¹¹ = 20034313241197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31800496897 + ... + 31800497526.

It is an arithmetic number, because the mean of its divisors is an integer number (1653625855024).

Almost surely, 2^{20034313243245} is an apocalyptic number.

It is an amenable number.

20034313243245 is a deficient number, since it is larger than the sum of its proper divisors (19652707277331).

20034313243245 is a wasteful number, since it uses less digits than its factorization.

20034313243245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63600994441 (or 63600994438 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 36.

Adding to 20034313243245 its reverse (54234231343002), we get a palindrome (74268544586247).

The spelling of 20034313243245 in words is "twenty trillion, thirty-four billion, three hundred thirteen million, two hundred forty-three thousand, two hundred forty-five".