200903220 has 96 divisors (see below), whose sum is σ = 714336000. Its totient is φ = 45919872.

The previous prime is 200903203. The next prime is 200903249. The reversal of 200903220 is 22309002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 200903193 and 200903202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22795 + ... + 30354.

It is an arithmetic number, because the mean of its divisors is an integer number (7441000).

Almost surely, 2^200903220 is an apocalyptic number.

200903220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200903220 is an abundant number, since it is smaller than the sum of its proper divisors (513432780).

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

200903220 is a wasteful number, since it uses less digits than its factorization.

200903220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53174 (or 53166 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 200903220 is about 14174.0333003701. The cubic root of 200903220 is about 585.6825694846.

The spelling of 200903220 in words is "two hundred million, nine hundred three thousand, two hundred twenty".