203020220003 has 32 divisors (see below), whose sum is σ = 224098237440. Its totient is φ = 183222224640.

The previous prime is 203020219993. The next prime is 203020220021. The reversal of 203020220003 is 300022020302.

It is a cyclic number.

It is not a de Polignac number, because 203020220003 - 2⁶ = 203020219939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203020220003.

It is not an unprimeable number, because it can be changed into a prime (203020220803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16213301 + ... + 16225817.

It is an arithmetic number, because the mean of its divisors is an integer number (7003069920).

Almost surely, 2^203020220003 is an apocalyptic number.

203020220003 is a deficient number, since it is larger than the sum of its proper divisors (21078017437).

203020220003 is a wasteful number, since it uses less digits than its factorization.

203020220003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13067.

The product of its (nonzero) digits is 144, while the sum is 14.

Adding to 203020220003 its reverse (300022020302), we get a palindrome (503042240305).

The spelling of 203020220003 in words is "two hundred three billion, twenty million, two hundred twenty thousand, three".