20266020402041 has 16 divisors (see below), whose sum is σ = 21647432217600. Its totient is φ = 18916444486800.

The previous prime is 20266020402031. The next prime is 20266020402053. The reversal of 20266020402041 is 14020402066202.

It is a cyclic number.

It is not a de Polignac number, because 20266020402041 - 2¹⁰ = 20266020401017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20266020401995 and 20266020402013.

It is not an unprimeable number, because it can be changed into a prime (20266020402031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2932871 + ... + 7009548.

It is an arithmetic number, because the mean of its divisors is an integer number (1352964513600).

Almost surely, 2^{20266020402041} is an apocalyptic number.

It is an amenable number.

20266020402041 is a deficient number, since it is larger than the sum of its proper divisors (1381411815559).

20266020402041 is a wasteful number, since it uses less digits than its factorization.

20266020402041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9944020.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 20266020402041 its reverse (14020402066202), we get a palindrome (34286422468243).

The spelling of 20266020402041 in words is "twenty trillion, two hundred sixty-six billion, twenty million, four hundred two thousand, forty-one".