20300223 has 8 divisors (see below), whose sum is σ = 27393408. Its totient is φ = 13370264.

The previous prime is 20300201. The next prime is 20300233. The reversal of 20300223 is 32200302.

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 20300223 - 2⁸ = 20299967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20300199 and 20300208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20300233) 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, 40515 + ... + 41012.

It is an arithmetic number, because the mean of its divisors is an integer number (3424176).

Almost surely, 2^20300223 is an apocalyptic number.

20300223 is a deficient number, since it is larger than the sum of its proper divisors (7093185).

20300223 is an equidigital number, since it uses as much as digits as its factorization.

20300223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81613.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 20300223 is about 4505.5768776040. The cubic root of 20300223 is about 272.7932393055.

Adding to 20300223 its reverse (32200302), we get a palindrome (52500525).

The spelling of 20300223 in words is "twenty million, three hundred thousand, two hundred twenty-three".