202140 has 36 divisors (see below), whose sum is σ = 613704. Its totient is φ = 53856.

The previous prime is 202129. The next prime is 202183. The reversal of 202140 is 41202.

202140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 202140.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 382 + ... + 741.

2²⁰²¹⁴⁰ is an apocalyptic number.

202140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202140 is an abundant number, since it is smaller than the sum of its proper divisors (411564).

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

202140 is a wasteful number, since it uses less digits than its factorization.

202140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138 (or 1133 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 202140 is about 449.5998220640. The cubic root of 202140 is about 58.6881951521.

Adding to 202140 its reverse (41202), we get a palindrome (243342).

The spelling of 202140 in words is "two hundred two thousand, one hundred forty", and thus it is an iban number.