200505542098 has 4 divisors (see below), whose sum is σ = 300758313150. Its totient is φ = 100252771048.

The previous prime is 200505542093. The next prime is 200505542099. The reversal of 200505542098 is 890245505002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 184115653569 + 16389888529 = 429087^2 + 128023^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 200505542098.

It is not an unprimeable number, because it can be changed into a prime (200505542093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50126385523 + ... + 50126385526.

Almost surely, 2^200505542098 is an apocalyptic number.

200505542098 is a deficient number, since it is larger than the sum of its proper divisors (100252771052).

200505542098 is a wasteful number, since it uses less digits than its factorization.

200505542098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100252771051.

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 200505542098 in words is "two hundred billion, five hundred five million, five hundred forty-two thousand, ninety-eight".