20411202560456 has 64 divisors (see below), whose sum is σ = 38820222259200. Its totient is φ = 10059589612800.

The previous prime is 20411202560453. The next prime is 20411202560543. The reversal of 20411202560456 is 65406520211402.

It is a super-3 number, since 3×20411202560456³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20411202560453) 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 15 ways as a sum of consecutive naturals, for example, 986371646 + ... + 986392338.

It is an arithmetic number, because the mean of its divisors is an integer number (606565972800).

Almost surely, 2^{20411202560456} is an apocalyptic number.

It is an amenable number.

20411202560456 is a deficient number, since it is larger than the sum of its proper divisors (18409019698744).

20411202560456 is a wasteful number, since it uses less digits than its factorization.

20411202560456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23310 (or 23306 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 20411202560456 its reverse (65406520211402), we get a palindrome (85817722771858).

The spelling of 20411202560456 in words is "twenty trillion, four hundred eleven billion, two hundred two million, five hundred sixty thousand, four hundred fifty-six".