20345031235241 has 8 divisors (see below), whose sum is σ = 20623823012520. Its totient is φ = 20066241964032.

The previous prime is 20345031235231. The next prime is 20345031235259. The reversal of 20345031235241 is 14253213054302.

It can be written as a sum of positive squares in 4 ways, for example, as 3969574079641 + 16375457155600 = 1992379^2 + 4046660^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20345031235241 - 2³⁸ = 20070153328297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20345031235201) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20627441 + ... + 21591233.

It is an arithmetic number, because the mean of its divisors is an integer number (2577977876565).

Almost surely, 2^{20345031235241} is an apocalyptic number.

It is an amenable number.

20345031235241 is a deficient number, since it is larger than the sum of its proper divisors (278791777279).

20345031235241 is an equidigital number, since it uses as much as digits as its factorization.

20345031235241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253035.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 20345031235241 its reverse (14253213054302), we get a palindrome (34598244289543).

The spelling of 20345031235241 in words is "twenty trillion, three hundred forty-five billion, thirty-one million, two hundred thirty-five thousand, two hundred forty-one".