204015030013534 has 16 divisors (see below), whose sum is σ = 306658918498176. Its totient is φ = 101795401431000.

The previous prime is 204015030013523. The next prime is 204015030013541. The reversal of 204015030013534 is 435310030510402.

It is a junction number, because it is equal to n+sod(n) for n = 204015030013496 and 204015030013505.

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, 34936429 + ... + 40355719.

It is an arithmetic number, because the mean of its divisors is an integer number (19166182406136).

Almost surely, 2^{204015030013534} is an apocalyptic number.

204015030013534 is a deficient number, since it is larger than the sum of its proper divisors (102643888484642).

204015030013534 is a wasteful number, since it uses less digits than its factorization.

204015030013534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5458431.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 204015030013534 its reverse (435310030510402), we get a palindrome (639325060523936).

The spelling of 204015030013534 in words is "two hundred four trillion, fifteen billion, thirty million, thirteen thousand, five hundred thirty-four".