202095257142 has 16 divisors (see below), whose sum is σ = 406423613232. Its totient is φ = 66992902560.

The previous prime is 202095257141. The next prime is 202095257171. The reversal of 202095257142 is 241752590202.

It is a super-2 number, since 2×202095257142² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202095257142.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93044613 + ... + 93046784.

It is an arithmetic number, because the mean of its divisors is an integer number (25401475827).

Almost surely, 2^202095257142 is an apocalyptic number.

202095257142 is an abundant number, since it is smaller than the sum of its proper divisors (204328356090).

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

202095257142 is a wasteful number, since it uses less digits than its factorization.

202095257142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186091583.

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 202095257142 in words is "two hundred two billion, ninety-five million, two hundred fifty-seven thousand, one hundred forty-two".