203218616244 has 48 divisors (see below), whose sum is σ = 544484681216. Its totient is φ = 57787279200.

The previous prime is 203218616219. The next prime is 203218616261. The reversal of 203218616244 is 442616812302.

It is a super-2 number, since 2×203218616244² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5715142 + ... + 5750589.

Almost surely, 2^203218616244 is an apocalyptic number.

It is an amenable number.

203218616244 is an abundant number, since it is smaller than the sum of its proper divisors (341266064972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203218616244 is a wasteful number, since it uses less digits than its factorization.

203218616244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11465956 (or 11465954 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 203218616244 in words is "two hundred three billion, two hundred eighteen million, six hundred sixteen thousand, two hundred forty-four".