20430082 has 8 divisors (see below), whose sum is σ = 30801276. Its totient is φ = 10162992.

The previous prime is 20430079. The next prime is 20430083. The reversal of 20430082 is 28003402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13242321 + 7187761 = 3639^2 + 2681^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20430083) 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 3 ways as a sum of consecutive naturals, for example, 25533 + ... + 26320.

Almost surely, 2^20430082 is an apocalyptic number.

20430082 is a deficient number, since it is larger than the sum of its proper divisors (10371194).

20430082 is a wasteful number, since it uses less digits than its factorization.

20430082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52052.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 20430082 is about 4519.9648228720. The cubic root of 20430082 is about 273.3736826546.

Adding to 20430082 its reverse (28003402), we get a palindrome (48433484).

The spelling of 20430082 in words is "twenty million, four hundred thirty thousand, eighty-two".