202555140 has 48 divisors (see below), whose sum is σ = 586716480. Its totient is φ = 52151680.

The previous prime is 202555127. The next prime is 202555141. The reversal of 202555140 is 41555202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 202555140.

It is not an unprimeable number, because it can be changed into a prime (202555141) 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, 56466 + ... + 59945.

It is an arithmetic number, because the mean of its divisors is an integer number (12223260).

Almost surely, 2^202555140 is an apocalyptic number.

202555140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202555140 is an abundant number, since it is smaller than the sum of its proper divisors (384161340).

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

202555140 is a wasteful number, since it uses less digits than its factorization.

202555140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116452 (or 116450 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 202555140 is about 14232.1867610006. The cubic root of 202555140 is about 587.2834415362.

The spelling of 202555140 in words is "two hundred two million, five hundred fifty-five thousand, one hundred forty".