20411461 has 4 divisors (see below), whose sum is σ = 23327392. Its totient is φ = 17495532.

The previous prime is 20411431. The next prime is 20411473. The reversal of 20411461 is 16411402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20411461 - 2⁷ = 20411333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20411411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1457955 + ... + 1457968.

It is an arithmetic number, because the mean of its divisors is an integer number (5831848).

Almost surely, 2^20411461 is an apocalyptic number.

It is an amenable number.

20411461 is a deficient number, since it is larger than the sum of its proper divisors (2915931).

20411461 is an equidigital number, since it uses as much as digits as its factorization.

20411461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2915930.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 20411461 is about 4517.9044921291. The cubic root of 20411461 is about 273.2906019193.

Adding to 20411461 its reverse (16411402), we get a palindrome (36822863).

The spelling of 20411461 in words is "twenty million, four hundred eleven thousand, four hundred sixty-one".