20411126633641 has 8 divisors (see below), whose sum is σ = 20563043136480. Its totient is φ = 20259252597408.

The previous prime is 20411126633617. The next prime is 20411126633687. The reversal of 20411126633641 is 14633662111402.

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 20411126633641 - 2⁹ = 20411126633129 is a prime.

It is a super-2 number, since 2×20411126633641² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20411126633594 and 20411126633603.

It is not an unprimeable number, because it can be changed into a prime (20411126633741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9651471 + ... + 11574676.

It is an arithmetic number, because the mean of its divisors is an integer number (2570380392060).

Almost surely, 2^{20411126633641} is an apocalyptic number.

It is an amenable number.

20411126633641 is a deficient number, since it is larger than the sum of its proper divisors (151916502839).

20411126633641 is a wasteful number, since it uses less digits than its factorization.

20411126633641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21233303.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 20411126633641 in words is "twenty trillion, four hundred eleven billion, one hundred twenty-six million, six hundred thirty-three thousand, six hundred forty-one".