202660217140 has 24 divisors (see below), whose sum is σ = 425597612832. Its totient is φ = 81061961760.

The previous prime is 202660217117. The next prime is 202660217143. The reversal of 202660217140 is 41712066202.

It is a super-2 number, since 2×202660217140² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202660217143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 813687 + ... + 1033153.

It is an arithmetic number, because the mean of its divisors is an integer number (17733233868).

Almost surely, 2^202660217140 is an apocalyptic number.

202660217140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202660217140 is an abundant number, since it is smaller than the sum of its proper divisors (222937395692).

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

202660217140 is a wasteful number, since it uses less digits than its factorization.

202660217140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265647 (or 265645 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 202660217140 in words is "two hundred two billion, six hundred sixty million, two hundred seventeen thousand, one hundred forty".