203202404413 has 4 divisors (see below), whose sum is σ = 205985999068. Its totient is φ = 200418809760.

The previous prime is 203202404399. The next prime is 203202404417. The reversal of 203202404413 is 314404202302.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 123747761284 + 79454643129 = 351778^2 + 281877^2 .

It is a cyclic number.

It is not a de Polignac number, because 203202404413 - 2¹⁷ = 203202273341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203202404417) 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, 1391797218 + ... + 1391797363.

It is an arithmetic number, because the mean of its divisors is an integer number (51496499767).

Almost surely, 2^203202404413 is an apocalyptic number.

It is an amenable number.

203202404413 is a deficient number, since it is larger than the sum of its proper divisors (2783594655).

203202404413 is an equidigital number, since it uses as much as digits as its factorization.

203202404413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783594654.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 203202404413 its reverse (314404202302), we get a palindrome (517606606715).

The spelling of 203202404413 in words is "two hundred three billion, two hundred two million, four hundred four thousand, four hundred thirteen".