2120022313 has 4 divisors (see below), whose sum is σ = 2160022788. Its totient is φ = 2080021840.

The previous prime is 2120022287. The next prime is 2120022319. The reversal of 2120022313 is 3132200212.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1821838489 + 298183824 = 42683^2 + 17268^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120022313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120022319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20000158 + ... + 20000263.

It is an arithmetic number, because the mean of its divisors is an integer number (540005697).

Almost surely, 2^2120022313 is an apocalyptic number.

It is an amenable number.

2120022313 is a deficient number, since it is larger than the sum of its proper divisors (40000475).

2120022313 is an equidigital number, since it uses as much as digits as its factorization.

2120022313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40000474.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2120022313 is about 46043.7000359441. The cubic root of 2120022313 is about 1284.6361646127.

Adding to 2120022313 its reverse (3132200212), we get a palindrome (5252222525).

The spelling of 2120022313 in words is "two billion, one hundred twenty million, twenty-two thousand, three hundred thirteen".