20104430 has 16 divisors (see below), whose sum is σ = 37355904. Its totient is φ = 7782240.

The previous prime is 20104429. The next prime is 20104433. The reversal of 20104430 is 3440102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20104433) 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 7 ways as a sum of consecutive naturals, for example, 32117 + ... + 32736.

It is an arithmetic number, because the mean of its divisors is an integer number (2334744).

Almost surely, 2^20104430 is an apocalyptic number.

20104430 is a deficient number, since it is larger than the sum of its proper divisors (17251474).

20104430 is a wasteful number, since it uses less digits than its factorization.

20104430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64891.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20104430 is about 4483.7963825312. The cubic root of 20104430 is about 271.9133861333.

Adding to 20104430 its reverse (3440102), we get a palindrome (23544532).

The spelling of 20104430 in words is "twenty million, one hundred four thousand, four hundred thirty".