205502050556 has 48 divisors (see below), whose sum is σ = 397467635040. Its totient is φ = 92188800000.

The previous prime is 205502050547. The next prime is 205502050561. The reversal of 205502050556 is 655050205502.

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, 2070056 + ... + 2167056.

It is an arithmetic number, because the mean of its divisors is an integer number (8280575730).

Almost surely, 2^205502050556 is an apocalyptic number.

It is an amenable number.

205502050556 is a deficient number, since it is larger than the sum of its proper divisors (191965584484).

205502050556 is a wasteful number, since it uses less digits than its factorization.

205502050556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97646 (or 97644 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 35.

The spelling of 205502050556 in words is "two hundred five billion, five hundred two million, fifty thousand, five hundred fifty-six".