2420203 has 4 divisors (see below), whose sum is σ = 2423448. Its totient is φ = 2416960.

The previous prime is 2420179. The next prime is 2420213. The reversal of 2420203 is 3020242.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3020242 = 2 ⋅1510121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2420203 is a prime.

It is a super-2 number, since 2×2420203² = 11714765122418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2420213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123 + ... + 2203.

It is an arithmetic number, because the mean of its divisors is an integer number (605862).

2^2420203 is an apocalyptic number.

2420203 is a deficient number, since it is larger than the sum of its proper divisors (3245).

2420203 is a wasteful number, since it uses less digits than its factorization.

2420203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3244.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 2420203 is about 1555.7001639133. The cubic root of 2420203 is about 134.2612228179.

Adding to 2420203 its reverse (3020242), we get a palindrome (5440445).

The spelling of 2420203 in words is "two million, four hundred twenty thousand, two hundred three".