202020238738 has 8 divisors (see below), whose sum is σ = 303242717232. Its totient is φ = 100939332996.

The previous prime is 202020238711. The next prime is 202020238753. The reversal of 202020238738 is 837832020202.

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 = 202020238697 and 202020238706.

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, 35389620 + ... + 35395327.

It is an arithmetic number, because the mean of its divisors is an integer number (37905339654).

Almost surely, 2^202020238738 is an apocalyptic number.

202020238738 is a deficient number, since it is larger than the sum of its proper divisors (101222478494).

202020238738 is a wasteful number, since it uses less digits than its factorization.

202020238738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70786376.

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 202020238738 in words is "two hundred two billion, twenty million, two hundred thirty-eight thousand, seven hundred thirty-eight".