20010411 has 12 divisors (see below), whose sum is σ = 30604392. Its totient is φ = 12555456.

The previous prime is 20010409. The next prime is 20010443. The reversal of 20010411 is 11401002.

It is a happy number.

It is not a de Polignac number, because 20010411 - 2¹ = 20010409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20010393 and 20010402.

It is not an unprimeable number, because it can be changed into a prime (20010481) 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 11 ways as a sum of consecutive naturals, for example, 65241 + ... + 65546.

It is an arithmetic number, because the mean of its divisors is an integer number (2550366).

Almost surely, 2^20010411 is an apocalyptic number.

20010411 is a deficient number, since it is larger than the sum of its proper divisors (10593981).

20010411 is a wasteful number, since it uses less digits than its factorization.

20010411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130810 (or 130807 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 20010411 is about 4473.2997887466. The cubic root of 20010411 is about 271.4888531590.

Adding to 20010411 its reverse (11401002), we get a palindrome (31411413).

The spelling of 20010411 in words is "twenty million, ten thousand, four hundred eleven".