204244002243 has 24 divisors (see below), whose sum is σ = 305110041600. Its totient is φ = 131578662384.

The previous prime is 204244002239. The next prime is 204244002283. The reversal of 204244002243 is 342200442402.

It is not a de Polignac number, because 204244002243 - 2² = 204244002239 is a prime.

It is a super-2 number, since 2×204244002243² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204244002203) 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, 3022573 + ... + 3089406.

It is an arithmetic number, because the mean of its divisors is an integer number (12712918400).

Almost surely, 2^204244002243 is an apocalyptic number.

204244002243 is a deficient number, since it is larger than the sum of its proper divisors (100866039357).

204244002243 is a wasteful number, since it uses less digits than its factorization.

204244002243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6112111 (or 6112108 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 204244002243 its reverse (342200442402), we get a palindrome (546444444645).

The spelling of 204244002243 in words is "two hundred four billion, two hundred forty-four million, two thousand, two hundred forty-three".