20105355264441 has 8 divisors (see below), whose sum is σ = 26874664637184. Its totient is φ = 13369808034000.

The previous prime is 20105355264433. The next prime is 20105355264451. The reversal of 20105355264441 is 14446255350102.

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

It is not a de Polignac number, because 20105355264441 - 2³ = 20105355264433 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20105355264393 and 20105355264402.

It is not an unprimeable number, because it can be changed into a prime (20105355264451) 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, 8440534185 + ... + 8440536566.

It is an arithmetic number, because the mean of its divisors is an integer number (3359333079648).

Almost surely, 2^{20105355264441} is an apocalyptic number.

It is an amenable number.

20105355264441 is a deficient number, since it is larger than the sum of its proper divisors (6769309372743).

20105355264441 is a wasteful number, since it uses less digits than its factorization.

20105355264441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16881071151.

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 20105355264441 in words is "twenty trillion, one hundred five billion, three hundred fifty-five million, two hundred sixty-four thousand, four hundred forty-one".