202120330099 has 4 divisors (see below), whose sum is σ = 206820802936. Its totient is φ = 197419857264.

The previous prime is 202120330079. The next prime is 202120330117. The reversal of 202120330099 is 990033021202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202120330099 - 2¹¹ = 202120328051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202120330099.

It is not an unprimeable number, because it can be changed into a prime (202120330079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2350236354 + ... + 2350236439.

It is an arithmetic number, because the mean of its divisors is an integer number (51705200734).

Almost surely, 2^202120330099 is an apocalyptic number.

202120330099 is a deficient number, since it is larger than the sum of its proper divisors (4700472837).

202120330099 is an equidigital number, since it uses as much as digits as its factorization.

202120330099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4700472836.

The product of its (nonzero) digits is 5832, while the sum is 31.

The spelling of 202120330099 in words is "two hundred two billion, one hundred twenty million, three hundred thirty thousand, ninety-nine".