202830240 has 48 divisors (see below), whose sum is σ = 638916768. Its totient is φ = 54087936.

The previous prime is 202830227. The next prime is 202830253. The reversal of 202830240 is 42038202.

It is an interprime number because it is at equal distance from previous prime (202830227) and next prime (202830253).

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×202830240³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 210802 + ... + 211761.

It is an arithmetic number, because the mean of its divisors is an integer number (13310766).

Almost surely, 2^202830240 is an apocalyptic number.

202830240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202830240 is an abundant number, since it is smaller than the sum of its proper divisors (436086528).

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

202830240 is a wasteful number, since it uses less digits than its factorization.

202830240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422581 (or 422573 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 202830240 is about 14241.8481946691. The cubic root of 202830240 is about 587.5491940095.

Adding to 202830240 its reverse (42038202), we get a palindrome (244868442).

The spelling of 202830240 in words is "two hundred two million, eight hundred thirty thousand, two hundred forty".