20032203 has 4 divisors (see below), whose sum is σ = 26709608. Its totient is φ = 13354800.

The previous prime is 20032193. The next prime is 20032237. The reversal of 20032203 is 30223002.

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

It is a de Polignac number, because none of the positive numbers 2^k-20032203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20032253) 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, 3338698 + ... + 3338703.

It is an arithmetic number, because the mean of its divisors is an integer number (6677402).

Almost surely, 2^20032203 is an apocalyptic number.

20032203 is a deficient number, since it is larger than the sum of its proper divisors (6677405).

20032203 is an equidigital number, since it uses as much as digits as its factorization.

20032203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6677404.

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

The square root of 20032203 is about 4475.7349117212. The cubic root of 20032203 is about 271.5873708541.

Adding to 20032203 its reverse (30223002), we get a palindrome (50255205).

The spelling of 20032203 in words is "twenty million, thirty-two thousand, two hundred three".