20432076 has 24 divisors (see below), whose sum is σ = 54485760. Its totient is φ = 5837712.

The previous prime is 20432059. The next prime is 20432077. The reversal of 20432076 is 67023402.

It is not an unprimeable number, because it can be changed into a prime (20432077) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 121536 + ... + 121703.

It is an arithmetic number, because the mean of its divisors is an integer number (2270240).

Almost surely, 2^20432076 is an apocalyptic number.

It is an amenable number.

20432076 is an abundant number, since it is smaller than the sum of its proper divisors (34053684).

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

20432076 is a wasteful number, since it uses less digits than its factorization.

20432076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243253 (or 243251 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 20432076 is about 4520.1853944280. The cubic root of 20432076 is about 273.3825762295.

Adding to 20432076 its reverse (67023402), we get a palindrome (87455478).

The spelling of 20432076 in words is "twenty million, four hundred thirty-two thousand, seventy-six".