202740213 has 8 divisors (see below), whose sum is σ = 291114208. Its totient is φ = 124763184.

The previous prime is 202740179. The next prime is 202740221. The reversal of 202740213 is 312047202.

202740213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 202740213 - 2¹⁰ = 202739189 is a prime.

It is a super-2 number, since 2×202740213² = 82207187934570738, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202740213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202740413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2599195 + ... + 2599272.

It is an arithmetic number, because the mean of its divisors is an integer number (36389276).

Almost surely, 2^202740213 is an apocalyptic number.

It is an amenable number.

202740213 is a deficient number, since it is larger than the sum of its proper divisors (88373995).

202740213 is a wasteful number, since it uses less digits than its factorization.

202740213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5198483.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 202740213 is about 14238.6871936987. The cubic root of 202740213 is about 587.4622524714.

Adding to 202740213 its reverse (312047202), we get a palindrome (514787415).

The spelling of 202740213 in words is "two hundred two million, seven hundred forty thousand, two hundred thirteen".