200447742660 has 96 divisors (see below), whose sum is σ = 612648271872. Its totient is φ = 48563905920.

The previous prime is 200447742659. The next prime is 200447742661. The reversal of 200447742660 is 66247744002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (200447742659) and next prime (200447742661).

It is a super-3 number, since 3×200447742660³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (200447742661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1006267 + ... + 1188893.

It is an arithmetic number, because the mean of its divisors is an integer number (6381752832).

Almost surely, 2^200447742660 is an apocalyptic number.

200447742660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200447742660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306324135936).

200447742660 is an abundant number, since it is smaller than the sum of its proper divisors (412200529212).

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

200447742660 is a wasteful number, since it uses less digits than its factorization.

200447742660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184313 (or 184311 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 42.

The spelling of 200447742660 in words is "two hundred billion, four hundred forty-seven million, seven hundred forty-two thousand, six hundred sixty".