9213770220 has 48 divisors (see below), whose sum is σ = 25807377120. Its totient is φ = 2456165376.

The previous prime is 9213770207. The next prime is 9213770243. The reversal of 9213770220 is 220773129.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161844 + ... + 211236.

It is an arithmetic number, because the mean of its divisors is an integer number (537653690).

Almost surely, 2^9213770220 is an apocalyptic number.

It is an amenable number.

9213770220 is an abundant number, since it is smaller than the sum of its proper divisors (16593606900).

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

9213770220 is a wasteful number, since it uses less digits than its factorization.

9213770220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52514 (or 52512 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 9213770220 is about 95988.3858599570. The cubic root of 9213770220 is about 2096.4240138597.

The spelling of 9213770220 in words is "nine billion, two hundred thirteen million, seven hundred seventy thousand, two hundred twenty".