203247220613 has 8 divisors (see below), whose sum is σ = 203689221120. Its totient is φ = 202805683200.

The previous prime is 203247220577. The next prime is 203247220639. The reversal of 203247220613 is 316022742302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203247220613 - 2¹² = 203247216517 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 203247220613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203247220513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770306 + ... + 999932.

It is an arithmetic number, because the mean of its divisors is an integer number (25461152640).

Almost surely, 2^203247220613 is an apocalyptic number.

It is an amenable number.

203247220613 is a deficient number, since it is larger than the sum of its proper divisors (442000507).

203247220613 is a wasteful number, since it uses less digits than its factorization.

203247220613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231547.

The product of its (nonzero) digits is 24192, while the sum is 32.

Adding to 203247220613 its reverse (316022742302), we get a palindrome (519269962915).

The spelling of 203247220613 in words is "two hundred three billion, two hundred forty-seven million, two hundred twenty thousand, six hundred thirteen".