204552042130513 has 32 divisors (see below), whose sum is σ = 255638084486400. Its totient is φ = 159008760096000.

The previous prime is 204552042130507. The next prime is 204552042130559. The reversal of 204552042130513 is 315031240255402.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204552042130513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204552042130913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153713943 + ... + 155038963.

It is an arithmetic number, because the mean of its divisors is an integer number (7988690140200).

Almost surely, 2^{204552042130513} is an apocalyptic number.

It is an amenable number.

204552042130513 is a deficient number, since it is larger than the sum of its proper divisors (51086042355887).

204552042130513 is a wasteful number, since it uses less digits than its factorization.

204552042130513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329849.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 204552042130513 its reverse (315031240255402), we get a palindrome (519583282385915).

The spelling of 204552042130513 in words is "two hundred four trillion, five hundred fifty-two billion, forty-two million, one hundred thirty thousand, five hundred thirteen".