20410461 has 20 divisors (see below), whose sum is σ = 31544700. Its totient is φ = 13136256.

The previous prime is 20410433. The next prime is 20410463. The reversal of 20410461 is 16401402.

20410461 is a `hidden beast` number, since 204 + 1 + 0 + 461 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14976900 + 5433561 = 3870^2 + 2331^2 .

It is not a de Polignac number, because 20410461 - 2¹⁰ = 20409437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20410463) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1996 + ... + 6693.

It is an arithmetic number, because the mean of its divisors is an integer number (1577235).

Almost surely, 2^20410461 is an apocalyptic number.

It is an amenable number.

20410461 is a deficient number, since it is larger than the sum of its proper divisors (11134239).

20410461 is an equidigital number, since it uses as much as digits as its factorization.

20410461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8730 (or 8721 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 20410461 is about 4517.7938199967. The cubic root of 20410461 is about 273.2861388211.

Adding to 20410461 its reverse (16401402), we get a palindrome (36811863).

The spelling of 20410461 in words is "twenty million, four hundred ten thousand, four hundred sixty-one".