20414436315541 has 2 divisors, whose sum is σ = 20414436315542. Its totient is φ = 20414436315540.

The previous prime is 20414436315529. The next prime is 20414436315557. The reversal of 20414436315541 is 14551363441402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12517656280900 + 7896780034641 = 3538030^2 + 2810121^2 .

It is a cyclic number.

It is not a de Polignac number, because 20414436315541 - 2⁵ = 20414436315509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20414436315521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10207218157770 + 10207218157771.

It is an arithmetic number, because the mean of its divisors is an integer number (10207218157771).

Almost surely, 2^{20414436315541} is an apocalyptic number.

It is an amenable number.

20414436315541 is a deficient number, since it is larger than the sum of its proper divisors (1).

20414436315541 is an equidigital number, since it uses as much as digits as its factorization.

20414436315541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691200, while the sum is 43.

Adding to 20414436315541 its reverse (14551363441402), we get a palindrome (34965799756943).

The spelling of 20414436315541 in words is "twenty trillion, four hundred fourteen billion, four hundred thirty-six million, three hundred fifteen thousand, five hundred forty-one".