20480411 has 4 divisors (see below), whose sum is σ = 23406192. Its totient is φ = 17554632.

The previous prime is 20480389. The next prime is 20480431. The reversal of 20480411 is 11408402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11408402 = 2 ⋅5704201.

It is a cyclic number.

It is not a de Polignac number, because 20480411 - 2¹⁴ = 20464027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20480431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1462880 + ... + 1462893.

It is an arithmetic number, because the mean of its divisors is an integer number (5851548).

Almost surely, 2^20480411 is an apocalyptic number.

20480411 is a deficient number, since it is larger than the sum of its proper divisors (2925781).

20480411 is an equidigital number, since it uses as much as digits as its factorization.

20480411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925780.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 20480411 is about 4525.5288088797. The cubic root of 20480411 is about 273.5979816647.

Adding to 20480411 its reverse (11408402), we get a palindrome (31888813).

The spelling of 20480411 in words is "twenty million, four hundred eighty thousand, four hundred eleven".