202140344 has 16 divisors (see below), whose sum is σ = 433158000. Its totient is φ = 86631552.

The previous prime is 202140331. The next prime is 202140347. The reversal of 202140344 is 443041202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202140347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1804769 + ... + 1804880.

It is an arithmetic number, because the mean of its divisors is an integer number (27072375).

Almost surely, 2^202140344 is an apocalyptic number.

It is an amenable number.

202140344 is an abundant number, since it is smaller than the sum of its proper divisors (231017656).

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

202140344 is a wasteful number, since it uses less digits than its factorization.

202140344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3609662 (or 3609658 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 202140344 is about 14217.6068309684. The cubic root of 202140344 is about 586.8822844380.

Adding to 202140344 its reverse (443041202), we get a palindrome (645181546).

The spelling of 202140344 in words is "two hundred two million, one hundred forty thousand, three hundred forty-four".