202320117505 has 8 divisors (see below), whose sum is σ = 264855426624. Its totient is φ = 147141903600.

The previous prime is 202320117487. The next prime is 202320117529. The reversal of 202320117505 is 505711023202.

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

It is not a de Polignac number, because 202320117505 - 2²¹ = 202318020353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1839273741 + ... + 1839273850.

It is an arithmetic number, because the mean of its divisors is an integer number (33106928328).

Almost surely, 2^202320117505 is an apocalyptic number.

It is an amenable number.

202320117505 is a deficient number, since it is larger than the sum of its proper divisors (62535309119).

202320117505 is a wasteful number, since it uses less digits than its factorization.

202320117505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3678547607.

The product of its (nonzero) digits is 4200, while the sum is 28.

The spelling of 202320117505 in words is "two hundred two billion, three hundred twenty million, one hundred seventeen thousand, five hundred five".