200103018 has 16 divisors (see below), whose sum is σ = 404169696. Its totient is φ = 66040400.

The previous prime is 200103011. The next prime is 200103019. The reversal of 200103018 is 810301002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 200102988 and 200103006.

It is not an unprimeable number, because it can be changed into a prime (200103011) 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, 164496 + ... + 165707.

It is an arithmetic number, because the mean of its divisors is an integer number (25260606).

Almost surely, 2^200103018 is an apocalyptic number.

200103018 is an abundant number, since it is smaller than the sum of its proper divisors (204066678).

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

200103018 is a wasteful number, since it uses less digits than its factorization.

200103018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330309.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 200103018 is about 14145.7773911510. Note that the first 3 decimals coincide. The cubic root of 200103018 is about 584.9039392274.

The spelling of 200103018 in words is "two hundred million, one hundred three thousand, eighteen".