200202645506556 has 864 divisors, whose sum is σ = 655972605320256. Its totient is φ = 47146530816000.

The previous prime is 200202645506527. The next prime is 200202645506587. The reversal of 200202645506556 is 655605546202002.

It is a happy number.

It is a super-2 number, since 2×200202645506556² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 4519939146 + ... + 4519983438.

It is an arithmetic number, because the mean of its divisors is an integer number (759227552454).

Almost surely, 2^{200202645506556} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200202645506556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327986302660128).

200202645506556 is an abundant number, since it is smaller than the sum of its proper divisors (455769959813700).

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

200202645506556 is a wasteful number, since it uses less digits than its factorization.

200202645506556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44491 (or 44471 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 48.

The spelling of 200202645506556 in words is "two hundred trillion, two hundred two billion, six hundred forty-five million, five hundred six thousand, five hundred fifty-six".