20063247 has 24 divisors (see below), whose sum is σ = 28897296. Its totient is φ = 12377088.

The previous prime is 20063243. The next prime is 20063257. The reversal of 20063247 is 74236002.

It is not a de Polignac number, because 20063247 - 2² = 20063243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20063243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63133 + ... + 63449.

It is an arithmetic number, because the mean of its divisors is an integer number (1204054).

Almost surely, 2^20063247 is an apocalyptic number.

20063247 is a deficient number, since it is larger than the sum of its proper divisors (8834049).

20063247 is a wasteful number, since it uses less digits than its factorization.

20063247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 410 counting only the distinct ones).

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

The square root of 20063247 is about 4479.2016029645. The cubic root of 20063247 is about 271.7275918575.

Adding to 20063247 its reverse (74236002), we get a palindrome (94299249).

It can be divided in two parts, 2006 and 3247, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 20063247 in words is "twenty million, sixty-three thousand, two hundred forty-seven".