200540540 has 48 divisors (see below), whose sum is σ = 432093312. Its totient is φ = 78145536.

The previous prime is 200540531. The next prime is 200540569. The reversal of 200540540 is 45045002.

It is a happy number.

200540540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

200540540 is a modest number, since divided by 540540 gives 200 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297644 + ... + 298316.

It is an arithmetic number, because the mean of its divisors is an integer number (9001944).

Almost surely, 2^200540540 is an apocalyptic number.

200540540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200540540 is an abundant number, since it is smaller than the sum of its proper divisors (231552772).

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

200540540 is a wasteful number, since it uses less digits than its factorization.

200540540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 200540540 is about 14161.2337033184. The cubic root of 200540540 is about 585.3299232313.

Adding to 200540540 its reverse (45045002), we get a palindrome (245585542).

The spelling of 200540540 in words is "two hundred million, five hundred forty thousand, five hundred forty".