200553103540 has 24 divisors (see below), whose sum is σ = 435684329640. Its totient is φ = 77454991488.

The previous prime is 200553103507. The next prime is 200553103549. The reversal of 200553103540 is 45301355002.

It can be written as a sum of positive squares in 4 ways, for example, as 30777790096 + 169775313444 = 175436^2 + 412038^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200553103499 and 200553103508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200553103549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172890027 + ... + 172891186.

It is an arithmetic number, because the mean of its divisors is an integer number (18153513735).

Almost surely, 2^200553103540 is an apocalyptic number.

200553103540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200553103540 is an abundant number, since it is smaller than the sum of its proper divisors (235131226100).

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

200553103540 is a wasteful number, since it uses less digits than its factorization.

200553103540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345781251 (or 345781249 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 200553103540 its reverse (45301355002), we get a palindrome (245854458542).

The spelling of 200553103540 in words is "two hundred billion, five hundred fifty-three million, one hundred three thousand, five hundred forty".