9538168220 has 48 divisors (see below), whose sum is σ = 22900200960. Its totient is φ = 3269001024.

The previous prime is 9538168219. The next prime is 9538168327. The reversal of 9538168220 is 228618359.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411377 + ... + 433943.

It is an arithmetic number, because the mean of its divisors is an integer number (477087520).

Almost surely, 2^9538168220 is an apocalyptic number.

It is an amenable number.

9538168220 is an abundant number, since it is smaller than the sum of its proper divisors (13362032740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9538168220 is a wasteful number, since it uses less digits than its factorization.

9538168220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25602 (or 25600 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 9538168220 is about 97663.5460138531. The cubic root of 9538168220 is about 2120.7443852685.

The spelling of 9538168220 in words is "nine billion, five hundred thirty-eight million, one hundred sixty-eight thousand, two hundred twenty".