202010340 has 72 divisors (see below), whose sum is σ = 657986112. Its totient is φ = 46173120.

The previous prime is 202010339. The next prime is 202010351. The reversal of 202010340 is 43010202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 31416 + ... + 37295.

It is an arithmetic number, because the mean of its divisors is an integer number (9138696).

Almost surely, 2^202010340 is an apocalyptic number.

202010340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202010340 is an abundant number, since it is smaller than the sum of its proper divisors (455975772).

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

202010340 is a wasteful number, since it uses less digits than its factorization.

202010340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68737 (or 68728 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 202010340 is about 14213.0341588276. The cubic root of 202010340 is about 586.7564421554.

Adding to 202010340 its reverse (43010202), we get a palindrome (245020542).

The spelling of 202010340 in words is "two hundred two million, ten thousand, three hundred forty".