200740509 has 12 divisors (see below), whose sum is σ = 294287136. Its totient is φ = 131829192.

The previous prime is 200740493. The next prime is 200740537. The reversal of 200740509 is 905047002.

It is not a de Polignac number, because 200740509 - 2⁴ = 200740493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200740549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165849 + ... + 167054.

It is an arithmetic number, because the mean of its divisors is an integer number (24523928).

Almost surely, 2^200740509 is an apocalyptic number.

It is an amenable number.

200740509 is a deficient number, since it is larger than the sum of its proper divisors (93546627).

200740509 is a wasteful number, since it uses less digits than its factorization.

200740509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332976 (or 332973 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 200740509 is about 14168.2923812293. The cubic root of 200740509 is about 585.5244125121.

The spelling of 200740509 in words is "two hundred million, seven hundred forty thousand, five hundred nine".