20700251726041 has 4 divisors (see below), whose sum is σ = 20704328991652. Its totient is φ = 20696174460432.

The previous prime is 20700251726009. The next prime is 20700251726051. The reversal of 20700251726041 is 14062715200702.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18797427360000 + 1902824366041 = 4335600^2 + 1379429^2 .

It is a cyclic number.

It is not a de Polignac number, because 20700251726041 - 2⁵ = 20700251726009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20700251726051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2038625190 + ... + 2038635343.

It is an arithmetic number, because the mean of its divisors is an integer number (5176082247913).

Almost surely, 2^{20700251726041} is an apocalyptic number.

It is an amenable number.

20700251726041 is a deficient number, since it is larger than the sum of its proper divisors (4077265611).

20700251726041 is an equidigital number, since it uses as much as digits as its factorization.

20700251726041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077265610.

The product of its (nonzero) digits is 47040, while the sum is 37.

Adding to 20700251726041 its reverse (14062715200702), we get a palindrome (34762966926743).

The spelling of 20700251726041 in words is "twenty trillion, seven hundred billion, two hundred fifty-one million, seven hundred twenty-six thousand, forty-one".