203020413211 has 24 divisors (see below), whose sum is σ = 257811269040. Its totient is φ = 158090284800.

The previous prime is 203020413209. The next prime is 203020413221. The reversal of 203020413211 is 112314020302.

It is a happy number.

It is not a de Polignac number, because 203020413211 - 2¹ = 203020413209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203020413221) 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, 671095 + ... + 925423.

It is an arithmetic number, because the mean of its divisors is an integer number (10742136210).

Almost surely, 2^203020413211 is an apocalyptic number.

203020413211 is a deficient number, since it is larger than the sum of its proper divisors (54790855829).

203020413211 is a wasteful number, since it uses less digits than its factorization.

203020413211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255835 (or 255828 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 203020413211 its reverse (112314020302), we get a palindrome (315334433513).

The spelling of 203020413211 in words is "two hundred three billion, twenty million, four hundred thirteen thousand, two hundred eleven".