5200681780202 has 4 divisors (see below), whose sum is σ = 7801022670306. Its totient is φ = 2600340890100.

The previous prime is 5200681780201. The next prime is 5200681780211. The reversal of 5200681780202 is 2020871860025.

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., 4133491543801 + 1067190236401 = 2033099^2 + 1033049^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5200681780202.

It is not an unprimeable number, because it can be changed into a prime (5200681780201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1300170445049 + ... + 1300170445052.

Almost surely, 2^{5200681780202} is an apocalyptic number.

5200681780202 is a deficient number, since it is larger than the sum of its proper divisors (2600340890104).

5200681780202 is a wasteful number, since it uses less digits than its factorization.

5200681780202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600340890103.

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 5200681780202 in words is "five trillion, two hundred billion, six hundred eighty-one million, seven hundred eighty thousand, two hundred two".