20410245 has 32 divisors (see below), whose sum is σ = 37463040. Its totient is φ = 10532160.

The previous prime is 20410213. The next prime is 20410259. The reversal of 20410245 is 54201402.

It is not a de Polignac number, because 20410245 - 2⁵ = 20410213 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1747 + ... + 6623.

It is an arithmetic number, because the mean of its divisors is an integer number (1170720).

Almost surely, 2^20410245 is an apocalyptic number.

It is an amenable number.

20410245 is a deficient number, since it is larger than the sum of its proper divisors (17052795).

20410245 is a wasteful number, since it uses less digits than its factorization.

20410245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4922 (or 4916 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 20410245 is about 4517.7699144600. The cubic root of 20410245 is about 273.2851747728.

Adding to 20410245 its reverse (54201402), we get a palindrome (74611647).

The spelling of 20410245 in words is "twenty million, four hundred ten thousand, two hundred forty-five".