202002043522045 has 32 divisors (see below), whose sum is σ = 268960731373152. Its totient is φ = 144675394486272.

The previous prime is 202002043522009. The next prime is 202002043522067. The reversal of 202002043522045 is 540225340200202.

It can be written as a sum of positive squares in 16 ways, for example, as 143193436591716 + 58808606930329 = 11966346^2 + 7668677^2 .

It is not a de Polignac number, because 202002043522045 - 2⁹ = 202002043521533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202002043521998 and 202002043522016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133420612 + ... + 134926141.

It is an arithmetic number, because the mean of its divisors is an integer number (8405022855411).

Almost surely, 2^{202002043522045} is an apocalyptic number.

It is an amenable number.

202002043522045 is a deficient number, since it is larger than the sum of its proper divisors (66958687851107).

202002043522045 is a wasteful number, since it uses less digits than its factorization.

202002043522045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268347121.

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 202002043522045 its reverse (540225340200202), we get a palindrome (742227383722247).

The spelling of 202002043522045 in words is "two hundred two trillion, two billion, forty-three million, five hundred twenty-two thousand, forty-five".