204215054516 has 48 divisors (see below), whose sum is σ = 410467115520. Its totient is φ = 87921756000.

The previous prime is 204215054507. The next prime is 204215054531. The reversal of 204215054516 is 615450512402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4652231 + ... + 4695921.

It is an arithmetic number, because the mean of its divisors is an integer number (8551398240).

Almost surely, 2^204215054516 is an apocalyptic number.

It is an amenable number.

204215054516 is an abundant number, since it is smaller than the sum of its proper divisors (206252061004).

204215054516 is a wasteful number, since it uses less digits than its factorization.

204215054516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49316 (or 49314 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 204215054516 its reverse (615450512402), we get a palindrome (819665566918).

The spelling of 204215054516 in words is "two hundred four billion, two hundred fifteen million, fifty-four thousand, five hundred sixteen".