202084668685 has 8 divisors (see below), whose sum is σ = 242760414456. Its totient is φ = 161495193600.

The previous prime is 202084668671. The next prime is 202084668691. The reversal of 202084668685 is 586866480202.

It can be written as a sum of positive squares in 4 ways, for example, as 14531579209 + 187553089476 = 120547^2 + 433074^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 202084668685 - 2¹⁹ = 202084144397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21562516 + ... + 21571885.

It is an arithmetic number, because the mean of its divisors is an integer number (30345051807).

Almost surely, 2^202084668685 is an apocalyptic number.

It is an amenable number.

202084668685 is a deficient number, since it is larger than the sum of its proper divisors (40675745771).

202084668685 is an equidigital number, since it uses as much as digits as its factorization.

202084668685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43135343.

The product of its (nonzero) digits is 8847360, while the sum is 55.

The spelling of 202084668685 in words is "two hundred two billion, eighty-four million, six hundred sixty-eight thousand, six hundred eighty-five".