20197203 has 8 divisors (see below), whose sum is σ = 29001168. Its totient is φ = 12429024.

The previous prime is 20197201. The next prime is 20197211. The reversal of 20197203 is 30279102.

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

It is not a de Polignac number, because 20197203 - 2¹ = 20197201 is a prime.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (20197201) 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 7 ways as a sum of consecutive naturals, for example, 258900 + ... + 258977.

It is an arithmetic number, because the mean of its divisors is an integer number (3625146).

Almost surely, 2^20197203 is an apocalyptic number.

20197203 is a deficient number, since it is larger than the sum of its proper divisors (8803965).

20197203 is a wasteful number, since it uses less digits than its factorization.

20197203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517893.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 20197203 is about 4494.1298379108. The cubic root of 20197203 is about 272.3309975278.

The spelling of 20197203 in words is "twenty million, one hundred ninety-seven thousand, two hundred three".