203204011 has 4 divisors (see below), whose sum is σ = 212038992. Its totient is φ = 194369032.

The previous prime is 203203991. The next prime is 203204033. The reversal of 203204011 is 110402302.

203204011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 203204011 - 2⁷ = 203203883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203203982 and 203204000.

It is not an unprimeable number, because it can be changed into a prime (203204081) 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, 4417456 + ... + 4417501.

It is an arithmetic number, because the mean of its divisors is an integer number (53009748).

Almost surely, 2^203204011 is an apocalyptic number.

203204011 is a deficient number, since it is larger than the sum of its proper divisors (8834981).

203204011 is an equidigital number, since it uses as much as digits as its factorization.

203204011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8834980.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 203204011 is about 14254.9644334877. The cubic root of 203204011 is about 587.9098800213.

Adding to 203204011 its reverse (110402302), we get a palindrome (313606313).

The spelling of 203204011 in words is "two hundred three million, two hundred four thousand, eleven".