200202645506557 has 4 divisors (see below), whose sum is σ = 200208855876156. Its totient is φ = 200196435136960.

The previous prime is 200202645506527. The next prime is 200202645506587. The reversal of 200202645506557 is 755605546202002.

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

It is an interprime number because it is at equal distance from previous prime (200202645506527) and next prime (200202645506587).

It can be written as a sum of positive squares in 2 ways, for example, as 196320843194116 + 3881802312441 = 14011454^2 + 1970229^2 .

It is a cyclic number.

It is not a de Polignac number, because 200202645506557 - 2⁷ = 200202645506429 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200202645506557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200202645506527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3105136444 + ... + 3105200917.

It is an arithmetic number, because the mean of its divisors is an integer number (50052213969039).

Almost surely, 2^{200202645506557} is an apocalyptic number.

It is an amenable number.

200202645506557 is a deficient number, since it is larger than the sum of its proper divisors (6210369599).

200202645506557 is an equidigital number, since it uses as much as digits as its factorization.

200202645506557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6210369598.

The product of its (nonzero) digits is 5040000, while the sum is 49.

The spelling of 200202645506557 in words is "two hundred trillion, two hundred two billion, six hundred forty-five million, five hundred six thousand, five hundred fifty-seven".