202013340 has 48 divisors (see below), whose sum is σ = 580931232. Its totient is φ = 52413696.

The previous prime is 202013323. The next prime is 202013341. The reversal of 202013340 is 43310202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202013341) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 43279 + ... + 47718.

It is an arithmetic number, because the mean of its divisors is an integer number (12102734).

Almost surely, 2^202013340 is an apocalyptic number.

202013340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202013340 is an abundant number, since it is smaller than the sum of its proper divisors (378917892).

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

202013340 is a wasteful number, since it uses less digits than its factorization.

202013340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91046 (or 91044 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 202013340 is about 14213.1396953664. The cubic root of 202013340 is about 586.7593467273.

Adding to 202013340 its reverse (43310202), we get a palindrome (245323542).

The spelling of 202013340 in words is "two hundred two million, thirteen thousand, three hundred forty".