204552125634 has 32 divisors (see below), whose sum is σ = 416041847424. Its totient is φ = 67033218560.

The previous prime is 204552125623. The next prime is 204552125719. The reversal of 204552125634 is 436521255402.

It is a junction number, because it is equal to n+sod(n) for n = 204552125592 and 204552125601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 529749 + ... + 830504.

It is an arithmetic number, because the mean of its divisors is an integer number (13001307732).

Almost surely, 2^204552125634 is an apocalyptic number.

204552125634 is an abundant number, since it is smaller than the sum of its proper divisors (211489721790).

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

204552125634 is a wasteful number, since it uses less digits than its factorization.

204552125634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360682.

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 204552125634 in words is "two hundred four billion, five hundred fifty-two million, one hundred twenty-five thousand, six hundred thirty-four".