204546515320540 has 24 divisors (see below), whose sum is σ = 430037474321952. Its totient is φ = 81725312385600.

The previous prime is 204546515320531. The next prime is 204546515320639. The reversal of 204546515320540 is 45023515645402.

204546515320540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 5830840936 + ... + 5830876015.

It is an arithmetic number, because the mean of its divisors is an integer number (17918228096748).

Almost surely, 2^{204546515320540} is an apocalyptic number.

204546515320540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204546515320540 is an abundant number, since it is smaller than the sum of its proper divisors (225490959001412).

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

204546515320540 is a wasteful number, since it uses less digits than its factorization.

204546515320540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11661717837 (or 11661717835 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 46.

The spelling of 204546515320540 in words is "two hundred four trillion, five hundred forty-six billion, five hundred fifteen million, three hundred twenty thousand, five hundred forty".