203140880 has 20 divisors (see below), whose sum is σ = 472302732. Its totient is φ = 81256320.

The previous prime is 203140877. The next prime is 203140897. The reversal of 203140880 is 88041302.

It can be written as a sum of positive squares in 2 ways, for example, as 102900736 + 100240144 = 10144^2 + 10012^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1269551 + ... + 1269710.

Almost surely, 2^203140880 is an apocalyptic number.

203140880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203140880 is an abundant number, since it is smaller than the sum of its proper divisors (269161852).

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

203140880 is a wasteful number, since it uses less digits than its factorization.

203140880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539274 (or 2539268 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 203140880 is about 14252.7499101051. The cubic root of 203140880 is about 587.8489901750.

The spelling of 203140880 in words is "two hundred three million, one hundred forty thousand, eight hundred eighty".