2120547373 has 6 divisors (see below), whose sum is σ = 2466759246. Its totient is φ = 1817611992.

The previous prime is 2120547323. The next prime is 2120547409. The reversal of 2120547373 is 3737450212.

It can be written as a sum of positive squares in only one way, i.e., 1723661289 + 396886084 = 41517^2 + 19922^2 .

It is not a de Polignac number, because 2120547373 - 2¹³ = 2120539181 is a prime.

It is a super-2 number, since 2×2120547373² = 8993442322274402258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120547323) 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 5 ways as a sum of consecutive naturals, for example, 21638190 + ... + 21638287.

It is an arithmetic number, because the mean of its divisors is an integer number (411126541).

Almost surely, 2^2120547373 is an apocalyptic number.

It is an amenable number.

2120547373 is a deficient number, since it is larger than the sum of its proper divisors (346211873).

2120547373 is an equidigital number, since it uses as much as digits as its factorization.

2120547373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43276491 (or 43276484 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 2120547373 is about 46049.4014401925. The cubic root of 2120547373 is about 1284.7422099412.

Adding to 2120547373 its reverse (3737450212), we get a palindrome (5857997585).

The spelling of 2120547373 in words is "two billion, one hundred twenty million, five hundred forty-seven thousand, three hundred seventy-three".