203482840 has 64 divisors (see below), whose sum is σ = 521199360. Its totient is φ = 70773120.

The previous prime is 203482823. The next prime is 203482841. The reversal of 203482840 is 48284302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203482841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67 + ... + 20173.

It is an arithmetic number, because the mean of its divisors is an integer number (8143740).

Almost surely, 2^203482840 is an apocalyptic number.

203482840 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 203482840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260599680).

203482840 is an abundant number, since it is smaller than the sum of its proper divisors (317716520).

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

203482840 is a wasteful number, since it uses less digits than its factorization.

203482840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20152 (or 20148 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 203482840 is about 14264.7411473184. The cubic root of 203482840 is about 588.1786598260.

The spelling of 203482840 in words is "two hundred three million, four hundred eighty-two thousand, eight hundred forty".