203050000 has 120 divisors (see below), whose sum is σ = 511467264. Its totient is φ = 78000000.

The previous prime is 203049983. The next prime is 203050007. The reversal of 203050000 is 50302.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (203050007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1549935 + ... + 1550065.

Almost surely, 2^203050000 is an apocalyptic number.

203050000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203050000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255733632).

203050000 is an abundant number, since it is smaller than the sum of its proper divisors (308417264).

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

203050000 is an equidigital number, since it uses as much as digits as its factorization.

203050000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 10.

The square root of 203050000 is about 14249.5613967588. The cubic root of 203050000 is about 587.7613142643.

The spelling of 203050000 in words is "two hundred three million, fifty thousand".