20104332 has 12 divisors (see below), whose sum is σ = 46910136. Its totient is φ = 6701440.

The previous prime is 20104313. The next prime is 20104333. The reversal of 20104332 is 23340102.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (20104333) 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, 837669 + ... + 837692.

It is an arithmetic number, because the mean of its divisors is an integer number (3909178).

Almost surely, 2^20104332 is an apocalyptic number.

It is an amenable number.

20104332 is an abundant number, since it is smaller than the sum of its proper divisors (26805804).

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

20104332 is a wasteful number, since it uses less digits than its factorization.

20104332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675368 (or 1675366 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 20104332 is about 4483.7854542786. The cubic root of 20104332 is about 271.9129443143.

Adding to 20104332 its reverse (23340102), we get a palindrome (43444434).

The spelling of 20104332 in words is "twenty million, one hundred four thousand, three hundred thirty-two".