20063397 has 8 divisors (see below), whose sum is σ = 26866944. Its totient is φ = 13317728.

The previous prime is 20063369. The next prime is 20063401. The reversal of 20063397 is 79336002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20063397 - 2⁷ = 20063269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20063317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13653 + ... + 15050.

It is an arithmetic number, because the mean of its divisors is an integer number (3358368).

Almost surely, 2^20063397 is an apocalyptic number.

It is an amenable number.

20063397 is a deficient number, since it is larger than the sum of its proper divisors (6803547).

20063397 is a wasteful number, since it uses less digits than its factorization.

20063397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28939.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 20063397 is about 4479.2183469887. The cubic root of 20063397 is about 271.7282690333.

Adding to 20063397 its reverse (79336002), we get a palindrome (99399399).

The spelling of 20063397 in words is "twenty million, sixty-three thousand, three hundred ninety-seven".