2120023105 has 16 divisors (see below), whose sum is σ = 2676369600. Its totient is φ = 1609773760.

The previous prime is 2120023093. The next prime is 2120023111. The reversal of 2120023105 is 5013200212.

It is not a de Polignac number, because 2120023105 - 2¹³ = 2120014913 is a prime.

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, 115351 + ... + 132460.

It is an arithmetic number, because the mean of its divisors is an integer number (167273100).

Almost surely, 2^2120023105 is an apocalyptic number.

It is an amenable number.

2120023105 is a deficient number, since it is larger than the sum of its proper divisors (556346495).

2120023105 is a wasteful number, since it uses less digits than its factorization.

2120023105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247904.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2120023105 is about 46043.7086364685. The cubic root of 2120023105 is about 1284.6363245846.

Adding to 2120023105 its reverse (5013200212), we get a palindrome (7133223317).

The spelling of 2120023105 in words is "two billion, one hundred twenty million, twenty-three thousand, one hundred five".