2120322015 has 56 divisors (see below), whose sum is σ = 4359863328. Its totient is φ = 969278400.

The previous prime is 2120322007. The next prime is 2120322047. The reversal of 2120322015 is 5102230212.

It is not a de Polignac number, because 2120322015 - 2³ = 2120322007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 16036 + ... + 67065.

Almost surely, 2^2120322015 is an apocalyptic number.

2120322015 is an abundant number, since it is smaller than the sum of its proper divisors (2239541313).

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

2120322015 is an frugal number, since it uses more digits than its factorization.

2120322015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83131 (or 83116 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2120322015 is about 46046.9544595514. The cubic root of 2120322015 is about 1284.6966969767.

Adding to 2120322015 its reverse (5102230212), we get a palindrome (7222552227).

The spelling of 2120322015 in words is "two billion, one hundred twenty million, three hundred twenty-two thousand, fifteen".