20104352 has 12 divisors (see below), whose sum is σ = 39580506. Its totient is φ = 10052160.

The previous prime is 20104351. The next prime is 20104361. The reversal of 20104352 is 25340102.

It can be written as a sum of positive squares in only one way, i.e., 19749136 + 355216 = 4444^2 + 596^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20104352.

It is not an unprimeable number, because it can be changed into a prime (20104351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314099 + ... + 314162.

Almost surely, 2^20104352 is an apocalyptic number.

It is an amenable number.

20104352 is a deficient number, since it is larger than the sum of its proper divisors (19476154).

20104352 is an equidigital number, since it uses as much as digits as its factorization.

20104352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628271 (or 628263 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 20104352 is about 4483.7876845364. The cubic root of 20104352 is about 271.9130344815.

Adding to 20104352 its reverse (25340102), we get a palindrome (45444454).

The spelling of 20104352 in words is "twenty million, one hundred four thousand, three hundred fifty-two".