203252040 has 96 divisors (see below), whose sum is σ = 665121600. Its totient is φ = 53827200.

The previous prime is 203252029. The next prime is 203252087. The reversal of 203252040 is 40252302.

It is a super-2 number, since 2×203252040² = 82622783528323200, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52491 + ... + 56229.

It is an arithmetic number, because the mean of its divisors is an integer number (6928350).

Almost surely, 2^203252040 is an apocalyptic number.

203252040 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 203252040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332560800).

203252040 is an abundant number, since it is smaller than the sum of its proper divisors (461869560).

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

203252040 is a wasteful number, since it uses less digits than its factorization.

203252040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3907 (or 3900 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 203252040 is about 14256.6489751274. The cubic root of 203252040 is about 587.9561955428.

The spelling of 203252040 in words is "two hundred three million, two hundred fifty-two thousand, forty".