3820203 has 24 divisors (see below), whose sum is σ = 5824000. Its totient is φ = 2501928.

The previous prime is 3820181. The next prime is 3820237. The reversal of 3820203 is 3020283.

It is not a de Polignac number, because 3820203 - 2⁵ = 3820171 is a prime.

It is a super-2 number, since 2×3820203² = 29187901922418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3820253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19098 + ... + 19296.

Almost surely, 2^3820203 is an apocalyptic number.

3820203 is a deficient number, since it is larger than the sum of its proper divisors (2003797).

3820203 is an equidigital number, since it uses as much as digits as its factorization.

3820203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3820203 is about 1954.5339597971. The cubic root of 3820203 is about 156.3251354907.

Adding to 3820203 its reverse (3020283), we get a palindrome (6840486).

The spelling of 3820203 in words is "three million, eight hundred twenty thousand, two hundred three".