20120303 has 8 divisors (see below), whose sum is σ = 23031072. Its totient is φ = 17218656.

The previous prime is 20120281. The next prime is 20120323. The reversal of 20120303 is 30302102.

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

It is not a de Polignac number, because 20120303 - 2⁸ = 20120047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120323) 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, 3401 + ... + 7197.

It is an arithmetic number, because the mean of its divisors is an integer number (2878884).

Almost surely, 2^20120303 is an apocalyptic number.

20120303 is a deficient number, since it is larger than the sum of its proper divisors (2910769).

20120303 is an equidigital number, since it uses as much as digits as its factorization.

20120303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4561.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 20120303 is about 4485.5660735296. The cubic root of 20120303 is about 271.9849283388.

Adding to 20120303 its reverse (30302102), we get a palindrome (50422405).

The spelling of 20120303 in words is "twenty million, one hundred twenty thousand, three hundred three".