2021320203 has 8 divisors (see below), whose sum is σ = 3080107008. Its totient is φ = 1155040104.

The previous prime is 2021320199. The next prime is 2021320243. The reversal of 2021320203 is 3020231202.

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

It is not a de Polignac number, because 2021320203 - 2² = 2021320199 is a prime.

It is a super-2 number, since 2×2021320203² = 8171470726111922418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2021320243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48126651 + ... + 48126692.

It is an arithmetic number, because the mean of its divisors is an integer number (385013376).

Almost surely, 2^2021320203 is an apocalyptic number.

2021320203 is a deficient number, since it is larger than the sum of its proper divisors (1058786805).

2021320203 is an equidigital number, since it uses as much as digits as its factorization.

2021320203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96253353.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2021320203 is about 44959.0947751398. The cubic root of 2021320203 is about 1264.3821972450.

Adding to 2021320203 its reverse (3020231202), we get a palindrome (5041551405).

The spelling of 2021320203 in words is "two billion, twenty-one million, three hundred twenty thousand, two hundred three".