20530414 has 4 divisors (see below), whose sum is σ = 30795624. Its totient is φ = 10265206.

The previous prime is 20530397. The next prime is 20530417. The reversal of 20530414 is 41403502.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×20530414² = 842995798022792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20530391 and 20530400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20530417) 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 as a sum of consecutive naturals, namely, 5132602 + ... + 5132605.

It is an arithmetic number, because the mean of its divisors is an integer number (7698906).

Almost surely, 2^20530414 is an apocalyptic number.

20530414 is a deficient number, since it is larger than the sum of its proper divisors (10265210).

20530414 is a wasteful number, since it uses less digits than its factorization.

20530414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10265209.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 20530414 is about 4531.0499886892. The cubic root of 20530414 is about 273.8204641971.

Adding to 20530414 its reverse (41403502), we get a palindrome (61933916).

The spelling of 20530414 in words is "twenty million, five hundred thirty thousand, four hundred fourteen".