20416141640543 has 16 divisors (see below), whose sum is σ = 22493275758720. Its totient is φ = 18375870948000.

The previous prime is 20416141640513. The next prime is 20416141640579. The reversal of 20416141640543 is 34504614161402.

It is a cyclic number.

It is not a de Polignac number, because 20416141640543 - 2⁸ = 20416141640287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20416141640543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20416141640513) 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, 44776448 + ... + 45230106.

It is an arithmetic number, because the mean of its divisors is an integer number (1405829734920).

Almost surely, 2^{20416141640543} is an apocalyptic number.

20416141640543 is a deficient number, since it is larger than the sum of its proper divisors (2077134118177).

20416141640543 is a wasteful number, since it uses less digits than its factorization.

20416141640543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494278.

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 20416141640543 in words is "twenty trillion, four hundred sixteen billion, one hundred forty-one million, six hundred forty thousand, five hundred forty-three".