20410404 has 48 divisors (see below), whose sum is σ = 57633408. Its totient is φ = 5488128.

The previous prime is 20410363. The next prime is 20410409. The reversal of 20410404 is 40401402.

It is not an unprimeable number, because it can be changed into a prime (20410409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5719 + ... + 8574.

It is an arithmetic number, because the mean of its divisors is an integer number (1200696).

Almost surely, 2^20410404 is an apocalyptic number.

It is an amenable number.

20410404 is an abundant number, since it is smaller than the sum of its proper divisors (37223004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20410404 is a wasteful number, since it uses less digits than its factorization.

20410404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14324 (or 14322 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 20410404 is about 4517.7875116034. The cubic root of 20410404 is about 273.2858844201.

Adding to 20410404 its reverse (40401402), we get a palindrome (60811806).

The spelling of 20410404 in words is "twenty million, four hundred ten thousand, four hundred four".