202170379485 has 16 divisors (see below), whose sum is σ = 323917566336. Its totient is φ = 107675882688.

The previous prime is 202170379423. The next prime is 202170379487. The reversal of 202170379485 is 584973071202.

It is a happy number.

It is not a de Polignac number, because 202170379485 - 2¹⁰ = 202170378461 is a prime.

It is a super-2 number, since 2×202170379485² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202170379487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9258714 + ... + 9280523.

It is an arithmetic number, because the mean of its divisors is an integer number (20244847896).

Almost surely, 2^202170379485 is an apocalyptic number.

It is an amenable number.

202170379485 is a deficient number, since it is larger than the sum of its proper divisors (121747186851).

202170379485 is a wasteful number, since it uses less digits than its factorization.

202170379485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18539972.

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 202170379485 in words is "two hundred two billion, one hundred seventy million, three hundred seventy-nine thousand, four hundred eighty-five".