20104296 has 16 divisors (see below), whose sum is σ = 50260800. Its totient is φ = 6701424.

The previous prime is 20104241. The next prime is 20104307. The reversal of 20104296 is 69240102.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 837679 = 20104296 / (2 + 0 + 1 + 0 + 4 + 2 + 9 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418816 + ... + 418863.

It is an arithmetic number, because the mean of its divisors is an integer number (3141300).

Almost surely, 2^20104296 is an apocalyptic number.

It is an amenable number.

20104296 is an abundant number, since it is smaller than the sum of its proper divisors (30156504).

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

20104296 is a wasteful number, since it uses less digits than its factorization.

20104296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837688 (or 837684 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 20104296 is about 4483.7814398117. The cubic root of 20104296 is about 271.9127820131.

Adding to 20104296 its reverse (69240102), we get a palindrome (89344398).

The spelling of 20104296 in words is "twenty million, one hundred four thousand, two hundred ninety-six".