20455411 has 8 divisors (see below), whose sum is σ = 21225600. Its totient is φ = 19689600.

The previous prime is 20455397. The next prime is 20455417. The reversal of 20455411 is 11455402.

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

It is a cyclic number.

It is not a de Polignac number, because 20455411 - 2⁷ = 20455283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20455417) 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, 10750 + ... + 12508.

It is an arithmetic number, because the mean of its divisors is an integer number (2653200).

Almost surely, 2^20455411 is an apocalyptic number.

20455411 is a deficient number, since it is larger than the sum of its proper divisors (770189).

20455411 is a wasteful number, since it uses less digits than its factorization.

20455411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 20455411 is about 4522.7658573046. The cubic root of 20455411 is about 273.4866112669.

Subtracting from 20455411 its reverse (11455402), we obtain a palindrome (9000009).

The spelling of 20455411 in words is "twenty million, four hundred fifty-five thousand, four hundred eleven".