202066124345 has 4 divisors (see below), whose sum is σ = 242479349220. Its totient is φ = 161652899472.

The previous prime is 202066124297. The next prime is 202066124389. The reversal of 202066124345 is 543421660202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 106753146361 + 95312977984 = 326731^2 + 308728^2 .

It is a cyclic number.

It is not a de Polignac number, because 202066124345 - 2²² = 202061930041 is a prime.

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, 20206612430 + ... + 20206612439.

It is an arithmetic number, because the mean of its divisors is an integer number (60619837305).

Almost surely, 2^202066124345 is an apocalyptic number.

It is an amenable number.

202066124345 is a deficient number, since it is larger than the sum of its proper divisors (40413224875).

202066124345 is an equidigital number, since it uses as much as digits as its factorization.

202066124345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40413224874.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 202066124345 its reverse (543421660202), we get a palindrome (745487784547).

The spelling of 202066124345 in words is "two hundred two billion, sixty-six million, one hundred twenty-four thousand, three hundred forty-five".