203325140 has 24 divisors (see below), whose sum is σ = 427843080. Its totient is φ = 81166208.

The previous prime is 203325131. The next prime is 203325163. The reversal of 203325140 is 41523302.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 35259844 + 168065296 = 5938^2 + 12964^2 .

It is a super-2 number, since 2×203325140² = 82682225112039200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194 + ... + 20166.

It is an arithmetic number, because the mean of its divisors is an integer number (17826795).

Almost surely, 2^203325140 is an apocalyptic number.

203325140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203325140 is an abundant number, since it is smaller than the sum of its proper divisors (224517940).

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

203325140 is a wasteful number, since it uses less digits than its factorization.

203325140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20491 (or 20489 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 203325140 is about 14259.2124607217. The cubic root of 203325140 is about 588.0266736322.

Adding to 203325140 its reverse (41523302), we get a palindrome (244848442).

The spelling of 203325140 in words is "two hundred three million, three hundred twenty-five thousand, one hundred forty".