2120304109 has 8 divisors (see below), whose sum is σ = 2643496128. Its totient is φ = 1652184960.

The previous prime is 2120304101. The next prime is 2120304113. The reversal of 2120304109 is 9014030212.

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

It is a cyclic number.

It is not a de Polignac number, because 2120304109 - 2³ = 2120304101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2120304109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120304101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13768132 + ... + 13768285.

It is an arithmetic number, because the mean of its divisors is an integer number (330437016).

Almost surely, 2^2120304109 is an apocalyptic number.

It is an amenable number.

2120304109 is a deficient number, since it is larger than the sum of its proper divisors (523192019).

2120304109 is a wasteful number, since it uses less digits than its factorization.

2120304109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27536435.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2120304109 is about 46046.7600271724. The cubic root of 2120304109 is about 1284.6930805694.

The spelling of 2120304109 in words is "two billion, one hundred twenty million, three hundred four thousand, one hundred nine".