20410131 has 16 divisors (see below), whose sum is σ = 32454144. Its totient is φ = 11155584.

The previous prime is 20410129. The next prime is 20410139. The reversal of 20410131 is 13101402.

It is a happy number.

It is not a de Polignac number, because 20410131 - 2¹ = 20410129 is a prime.

It is a super-2 number, since 2×20410131² = 833146894874322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20410139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20646 + ... + 21611.

It is an arithmetic number, because the mean of its divisors is an integer number (2028384).

Almost surely, 2^20410131 is an apocalyptic number.

20410131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20410131 is a deficient number, since it is larger than the sum of its proper divisors (12044013).

20410131 is a wasteful number, since it uses less digits than its factorization.

20410131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42290.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 20410131 is about 4517.7572975980. The cubic root of 20410131 is about 273.2846659667.

Adding to 20410131 its reverse (13101402), we get a palindrome (33511533).

The spelling of 20410131 in words is "twenty million, four hundred ten thousand, one hundred thirty-one".