204130551441 has 64 divisors (see below), whose sum is σ = 290504890368. Its totient is φ = 127236307968.

The previous prime is 204130551437. The next prime is 204130551473. The reversal of 204130551441 is 144155031402.

It is not a de Polignac number, because 204130551441 - 2² = 204130551437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204130551399 and 204130551408.

It is not an unprimeable number, because it can be changed into a prime (204130551421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 256123255 + ... + 256124051.

It is an arithmetic number, because the mean of its divisors is an integer number (4539138912).

Almost surely, 2^204130551441 is an apocalyptic number.

It is an amenable number.

204130551441 is a deficient number, since it is larger than the sum of its proper divisors (86374338927).

204130551441 is a wasteful number, since it uses less digits than its factorization.

204130551441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 204130551441 its reverse (144155031402), we get a palindrome (348285582843).

The spelling of 204130551441 in words is "two hundred four billion, one hundred thirty million, five hundred fifty-one thousand, four hundred forty-one".