202095257140 has 96 divisors (see below), whose sum is σ = 496543428864. Its totient is φ = 67663641600.

The previous prime is 202095257131. The next prime is 202095257141. The reversal of 202095257140 is 41752590202.

202095257140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 202095257140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202095257141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 934327 + ... + 1130113.

It is an arithmetic number, because the mean of its divisors is an integer number (5172327384).

Almost surely, 2^202095257140 is an apocalyptic number.

202095257140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202095257140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248271714432).

202095257140 is an abundant number, since it is smaller than the sum of its proper divisors (294448171724).

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

202095257140 is a wasteful number, since it uses less digits than its factorization.

202095257140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195977 (or 195975 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 202095257140 in words is "two hundred two billion, ninety-five million, two hundred fifty-seven thousand, one hundred forty".