20441604 has 12 divisors (see below), whose sum is σ = 47697104. Its totient is φ = 6813864.

The previous prime is 20441593. The next prime is 20441611. The reversal of 20441604 is 40614402.

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

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, 851722 + ... + 851745.

Almost surely, 2^20441604 is an apocalyptic number.

It is an amenable number.

20441604 is an abundant number, since it is smaller than the sum of its proper divisors (27255500).

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

20441604 is a wasteful number, since it uses less digits than its factorization.

20441604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703474 (or 1703472 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 20441604 is about 4521.2392106590. The cubic root of 20441604 is about 273.4250647232.

The spelling of 20441604 in words is "twenty million, four hundred forty-one thousand, six hundred four".