200146740 has 48 divisors (see below), whose sum is σ = 564006912. Its totient is φ = 53030016.

The previous prime is 200146733. The next prime is 200146747. The reversal of 200146740 is 47641002.

It is an interprime number because it is at equal distance from previous prime (200146733) and next prime (200146747).

It is a self number, because there is not a number n which added to its sum of digits gives 200146740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200146747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1204 + ... + 20043.

It is an arithmetic number, because the mean of its divisors is an integer number (11750144).

Almost surely, 2^200146740 is an apocalyptic number.

200146740 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 200146740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282003456).

200146740 is an abundant number, since it is smaller than the sum of its proper divisors (363860172).

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

200146740 is a wasteful number, since it uses less digits than its factorization.

200146740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21416 (or 21414 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 200146740 is about 14147.3227149168. The cubic root of 200146740 is about 584.9465361324.

Adding to 200146740 its reverse (47641002), we get a palindrome (247787742).

The spelling of 200146740 in words is "two hundred million, one hundred forty-six thousand, seven hundred forty".