20416002351541 has 2 divisors, whose sum is σ = 20416002351542. Its totient is φ = 20416002351540.

The previous prime is 20416002351533. The next prime is 20416002351571. The reversal of 20416002351541 is 14515320061402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17225438325316 + 3190564026225 = 4150354^2 + 1786215^2 .

It is a cyclic number.

It is not a de Polignac number, because 20416002351541 - 2³ = 20416002351533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20416002351497 and 20416002351506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20416002351571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10208001175770 + 10208001175771.

It is an arithmetic number, because the mean of its divisors is an integer number (10208001175771).

Almost surely, 2^{20416002351541} is an apocalyptic number.

It is an amenable number.

20416002351541 is a deficient number, since it is larger than the sum of its proper divisors (1).

20416002351541 is an equidigital number, since it uses as much as digits as its factorization.

20416002351541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 20416002351541 in words is "twenty trillion, four hundred sixteen billion, two million, three hundred fifty-one thousand, five hundred forty-one".