9109920202 has 8 divisors (see below), whose sum is σ = 13700009700. Its totient is φ = 4543250304.

The previous prime is 9109920199. The next prime is 9109920223. The reversal of 9109920202 is 2020299019.

It can be written as a sum of positive squares in 2 ways, for example, as 9068562441 + 41357761 = 95229^2 + 6431^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5853927 + ... + 5855482.

Almost surely, 2^9109920202 is an apocalyptic number.

9109920202 is a deficient number, since it is larger than the sum of its proper divisors (4590089498).

9109920202 is a wasteful number, since it uses less digits than its factorization.

9109920202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11709800.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 9109920202 is about 95445.9019654589. The cubic root of 9109920202 is about 2088.5178476892.

The spelling of 9109920202 in words is "nine billion, one hundred nine million, nine hundred twenty thousand, two hundred two".