20413334163541 has 12 divisors (see below), whose sum is σ = 22659953475852. Its totient is φ = 18373838120000.

The previous prime is 20413334163529. The next prime is 20413334163577. The reversal of 20413334163541 is 14536143331402.

It can be written as a sum of positive squares in 2 ways, for example, as 15191519616900 + 5221814546641 = 3897630^2 + 2285129^2 .

It is not a de Polignac number, because 20413334163541 - 2¹³ = 20413334155349 is a prime.

It is a super-3 number, since 3×20413334163541³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20413334163494 and 20413334163503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20413334163581) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 835162240 + ... + 835186681.

It is an arithmetic number, because the mean of its divisors is an integer number (1888329456321).

Almost surely, 2^{20413334163541} is an apocalyptic number.

It is an amenable number.

20413334163541 is a deficient number, since it is larger than the sum of its proper divisors (2246619312311).

20413334163541 is a wasteful number, since it uses less digits than its factorization.

20413334163541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670349044 (or 1670349033 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 40.

Adding to 20413334163541 its reverse (14536143331402), we get a palindrome (34949477494943).

The spelling of 20413334163541 in words is "twenty trillion, four hundred thirteen billion, three hundred thirty-four million, one hundred sixty-three thousand, five hundred forty-one".