202010140 has 12 divisors (see below), whose sum is σ = 424221336. Its totient is φ = 80804048.

The previous prime is 202010129. The next prime is 202010161. The reversal of 202010140 is 41010202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5050234 + ... + 5050273.

It is an arithmetic number, because the mean of its divisors is an integer number (35351778).

Almost surely, 2^202010140 is an apocalyptic number.

202010140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202010140 is an abundant number, since it is smaller than the sum of its proper divisors (222211196).

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

202010140 is a wasteful number, since it uses less digits than its factorization.

202010140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100516 (or 10100514 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 202010140 is about 14213.0271230305. The cubic root of 202010140 is about 586.7562485163.

Adding to 202010140 its reverse (41010202), we get a palindrome (243020342).

The spelling of 202010140 in words is "two hundred two million, ten thousand, one hundred forty".