20204032 has 20 divisors (see below), whose sum is σ = 40369626. Its totient is φ = 10101760.

The previous prime is 20204029. The next prime is 20204047. The reversal of 20204032 is 23040202.

It can be written as a sum of positive squares in only one way, i.e., 18524416 + 1679616 = 4304^2 + 1296^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19219 + ... + 20242.

Almost surely, 2^20204032 is an apocalyptic number.

It is an amenable number.

20204032 is a deficient number, since it is larger than the sum of its proper divisors (20165594).

20204032 is an frugal number, since it uses more digits than its factorization.

20204032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39479 (or 39463 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 20204032 is about 4494.8895425806. The cubic root of 20204032 is about 272.3616872363.

Adding to 20204032 its reverse (23040202), we get a palindrome (43244234).

The spelling of 20204032 in words is "twenty million, two hundred four thousand, thirty-two".