20841104 has 20 divisors (see below), whose sum is σ = 40674480. Its totient is φ = 10344480.

The previous prime is 20841089. The next prime is 20841109. The reversal of 20841104 is 40114802.

It is not an unprimeable number, because it can be changed into a prime (20841109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2462 + ... + 6909.

It is an arithmetic number, because the mean of its divisors is an integer number (2033724).

Almost surely, 2^20841104 is an apocalyptic number.

It is an amenable number.

20841104 is a deficient number, since it is larger than the sum of its proper divisors (19833376).

20841104 is a wasteful number, since it uses less digits than its factorization.

20841104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9518 (or 9512 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 20841104 is about 4565.2058003994. The cubic root of 20841104 is about 275.1948107233.

Adding to 20841104 its reverse (40114802), we get a palindrome (60955906).

The spelling of 20841104 in words is "twenty million, eight hundred forty-one thousand, one hundred four".