200071540 has 24 divisors (see below), whose sum is σ = 421263360. Its totient is φ = 79816608.

The previous prime is 200071517. The next prime is 200071567. The reversal of 200071540 is 45170002.

It is a super-2 number, since 2×200071540² = 80057242235943200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5400 + ... + 20719.

It is an arithmetic number, because the mean of its divisors is an integer number (17552640).

Almost surely, 2^200071540 is an apocalyptic number.

200071540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200071540 is an abundant number, since it is smaller than the sum of its proper divisors (221191820).

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

200071540 is a wasteful number, since it uses less digits than its factorization.

200071540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26511 (or 26509 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 200071540 is about 14144.6647185432. The cubic root of 200071540 is about 584.8732674066.

The spelling of 200071540 in words is "two hundred million, seventy-one thousand, five hundred forty".