20030063 has 4 divisors (see below), whose sum is σ = 21208320. Its totient is φ = 18851808.

The previous prime is 20030057. The next prime is 20030069. The reversal of 20030063 is 36003002.

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

It is an interprime number because it is at equal distance from previous prime (20030057) and next prime (20030069).

It is a cyclic number.

It is not a de Polignac number, because 20030063 - 2¹⁸ = 19767919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030069) 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, 589103 + ... + 589136.

It is an arithmetic number, because the mean of its divisors is an integer number (5302080).

Almost surely, 2^20030063 is an apocalyptic number.

20030063 is a deficient number, since it is larger than the sum of its proper divisors (1178257).

20030063 is a wasteful number, since it uses less digits than its factorization.

20030063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178256.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 20030063 is about 4475.4958384519. The cubic root of 20030063 is about 271.5776994653.

Adding to 20030063 its reverse (36003002), we get a palindrome (56033065).

The spelling of 20030063 in words is "twenty million, thirty thousand, sixty-three".