200004506402065 has 4 divisors (see below), whose sum is σ = 240005407682484. Its totient is φ = 160003605121648.

The previous prime is 200004506402021. The next prime is 200004506402069. The reversal of 200004506402065 is 560204605400002.

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 115525007041536 + 84479499360529 = 10748256^2 + 9191273^2 .

It is a cyclic number.

It is not a de Polignac number, because 200004506402065 - 2³⁷ = 199867067448593 is a prime.

It is a super-2 number, since 2×200004506402065² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200004506402065.

It is not an unprimeable number, because it can be changed into a prime (200004506402069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20000450640202 + ... + 20000450640211.

It is an arithmetic number, because the mean of its divisors is an integer number (60001351920621).

Almost surely, 2^{200004506402065} is an apocalyptic number.

It is an amenable number.

200004506402065 is a deficient number, since it is larger than the sum of its proper divisors (40000901280419).

200004506402065 is an equidigital number, since it uses as much as digits as its factorization.

200004506402065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40000901280418.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 200004506402065 in words is "two hundred trillion, four billion, five hundred six million, four hundred two thousand, sixty-five".