20413153566411 has 8 divisors (see below), whose sum is σ = 27218203083840. Its totient is φ = 13608436546632.

The previous prime is 20413153566391. The next prime is 20413153566457. The reversal of 20413153566411 is 11466535131402.

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

It is not a de Polignac number, because 20413153566411 - 2⁷ = 20413153566283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20413153566511) 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, 82981125 + ... + 83226758.

It is an arithmetic number, because the mean of its divisors is an integer number (3402275385480).

Almost surely, 2^{20413153566411} is an apocalyptic number.

20413153566411 is a deficient number, since it is larger than the sum of its proper divisors (6805049517429).

20413153566411 is a wasteful number, since it uses less digits than its factorization.

20413153566411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166248825.

The product of its (nonzero) digits is 259200, while the sum is 42.

Adding to 20413153566411 its reverse (11466535131402), we get a palindrome (31879688697813).

The spelling of 20413153566411 in words is "twenty trillion, four hundred thirteen billion, one hundred fifty-three million, five hundred sixty-six thousand, four hundred eleven".