490820203 has 4 divisors (see below), whose sum is σ = 493657488. Its totient is φ = 487982920.

The previous prime is 490820177. The next prime is 490820219. The reversal of 490820203 is 302028094.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490820203 is a prime.

It is a super-2 number, since 2×490820203² = 481808943345922418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490820263) 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, 1418383 + ... + 1418728.

It is an arithmetic number, because the mean of its divisors is an integer number (123414372).

Almost surely, 2^490820203 is an apocalyptic number.

490820203 is a deficient number, since it is larger than the sum of its proper divisors (2837285).

490820203 is a wasteful number, since it uses less digits than its factorization.

490820203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837284.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 490820203 is about 22154.4623721723. The cubic root of 490820203 is about 788.8131529540.

Adding to 490820203 its reverse (302028094), we get a palindrome (792848297).

The spelling of 490820203 in words is "four hundred ninety million, eight hundred twenty thousand, two hundred three".