20432204 has 12 divisors (see below), whose sum is σ = 38506944. Its totient is φ = 9430224.

The previous prime is 20432183. The next prime is 20432233. The reversal of 20432204 is 40223402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196412 + ... + 196515.

It is an arithmetic number, because the mean of its divisors is an integer number (3208912).

Almost surely, 2^20432204 is an apocalyptic number.

It is an amenable number.

20432204 is a deficient number, since it is larger than the sum of its proper divisors (18074740).

20432204 is a wasteful number, since it uses less digits than its factorization.

20432204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392944 (or 392942 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 20432204 is about 4520.1995531171. The cubic root of 20432204 is about 273.3831471112.

Adding to 20432204 its reverse (40223402), we get a palindrome (60655606).

The spelling of 20432204 in words is "twenty million, four hundred thirty-two thousand, two hundred four".