203055000 has 80 divisors (see below), whose sum is σ = 634390680. Its totient is φ = 54144000.

The previous prime is 203054983. The next prime is 203055007. The reversal of 203055000 is 550302.

203055000 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 (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203055007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8232 + ... + 21768.

Almost surely, 2^203055000 is an apocalyptic number.

203055000 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 203055000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317195340).

203055000 is an abundant number, since it is smaller than the sum of its proper divisors (431335680).

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

203055000 is a wasteful number, since it uses less digits than its factorization.

203055000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13566 (or 13547 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 15.

The square root of 203055000 is about 14249.7368396753. The cubic root of 203055000 is about 587.7661386629.

The spelling of 203055000 in words is "two hundred three million, fifty-five thousand".