201000340 has 12 divisors (see below), whose sum is σ = 422100756. Its totient is φ = 80400128.

The previous prime is 201000337. The next prime is 201000343. The reversal of 201000340 is 43000102.

201000340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (201000337) and next prime (201000343).

It can be written as a sum of positive squares in 2 ways, for example, as 35569296 + 165431044 = 5964^2 + 12862^2 .

It is a super-2 number, since 2×201000340² = 80802273360231200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000343) 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, 5024989 + ... + 5025028.

It is an arithmetic number, because the mean of its divisors is an integer number (35175063).

Almost surely, 2^201000340 is an apocalyptic number.

201000340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201000340 is an abundant number, since it is smaller than the sum of its proper divisors (221100416).

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

201000340 is a wasteful number, since it uses less digits than its factorization.

201000340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10050026 (or 10050024 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 201000340 is about 14177.4588696282. The cubic root of 201000340 is about 585.7769305535.

Adding to 201000340 its reverse (43000102), we get a palindrome (244000442).

The spelling of 201000340 in words is "two hundred one million, three hundred forty", and thus it is an aban number.