20411404 has 24 divisors (see below), whose sum is σ = 39125520. Its totient is φ = 9259584.

The previous prime is 20411387. The next prime is 20411411. The reversal of 20411404 is 40411402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259 + ... + 6394.

It is an arithmetic number, because the mean of its divisors is an integer number (1630230).

Almost surely, 2^20411404 is an apocalyptic number.

It is an amenable number.

20411404 is a deficient number, since it is larger than the sum of its proper divisors (18714116).

20411404 is a wasteful number, since it uses less digits than its factorization.

20411404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6729 (or 6727 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 20411404 is about 4517.8981838904. The cubic root of 20411404 is about 273.2903475267.

Adding to 20411404 its reverse (40411402), we get a palindrome (60822806).

The spelling of 20411404 in words is "twenty million, four hundred eleven thousand, four hundred four".