202012220140 has 48 divisors (see below), whose sum is σ = 431331768000. Its totient is φ = 79452276480.

The previous prime is 202012220129. The next prime is 202012220153. The reversal of 202012220140 is 41022210202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3631174 + ... + 3686386.

It is an arithmetic number, because the mean of its divisors is an integer number (8986078500).

Almost surely, 2^202012220140 is an apocalyptic number.

202012220140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202012220140 is an abundant number, since it is smaller than the sum of its proper divisors (229319547860).

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

202012220140 is a wasteful number, since it uses less digits than its factorization.

202012220140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58282 (or 58280 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202012220140 its reverse (41022210202), we get a palindrome (243034430342).

The spelling of 202012220140 in words is "two hundred two billion, twelve million, two hundred twenty thousand, one hundred forty".