202170379538 has 8 divisors (see below), whose sum is σ = 303736166400. Its totient is φ = 100924990740.

The previous prime is 202170379487. The next prime is 202170379553. The reversal of 202170379538 is 835973071202.

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

It is a junction number, because it is equal to n+sod(n) for n = 202170379492 and 202170379501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80097938 + ... + 80100461.

It is an arithmetic number, because the mean of its divisors is an integer number (37967020800).

Almost surely, 2^202170379538 is an apocalyptic number.

202170379538 is a deficient number, since it is larger than the sum of its proper divisors (101565786862).

202170379538 is a wasteful number, since it uses less digits than its factorization.

202170379538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160199032.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 202170379538 in words is "two hundred two billion, one hundred seventy million, three hundred seventy-nine thousand, five hundred thirty-eight".