204341515580 has 24 divisors (see below), whose sum is σ = 429197066928. Its totient is φ = 81721390208.

The previous prime is 204341515559. The next prime is 204341515607. The reversal of 204341515580 is 85515143402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840569 + ... + 1056048.

It is an arithmetic number, because the mean of its divisors is an integer number (17883211122).

Almost surely, 2^204341515580 is an apocalyptic number.

204341515580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204341515580 is an abundant number, since it is smaller than the sum of its proper divisors (224855551348).

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

204341515580 is a wasteful number, since it uses less digits than its factorization.

204341515580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902013 (or 1902011 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 38.

Adding to 204341515580 its reverse (85515143402), we get a palindrome (289856658982).

The spelling of 204341515580 in words is "two hundred four billion, three hundred forty-one million, five hundred fifteen thousand, five hundred eighty".