203048820 has 144 divisors (see below), whose sum is σ = 698355840. Its totient is φ = 47340288.

The previous prime is 203048819. The next prime is 203048827. The reversal of 203048820 is 28840302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203048827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42177 + ... + 46743.

Almost surely, 2^203048820 is an apocalyptic number.

203048820 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 203048820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349177920).

203048820 is an abundant number, since it is smaller than the sum of its proper divisors (495307020).

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

203048820 is a wasteful number, since it uses less digits than its factorization.

203048820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4614 (or 4609 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 203048820 is about 14249.5199919155. The cubic root of 203048820 is about 587.7601756946.

The spelling of 203048820 in words is "two hundred three million, forty-eight thousand, eight hundred twenty".