2720244133 has 4 divisors (see below), whose sum is σ = 2771569548. Its totient is φ = 2668918720.

The previous prime is 2720244101. The next prime is 2720244139. The reversal of 2720244133 is 3314420272.

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 1576248804 + 1143995329 = 39702^2 + 33823^2 .

It is a cyclic number.

It is not a de Polignac number, because 2720244133 - 2⁵ = 2720244101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720244139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25662628 + ... + 25662733.

It is an arithmetic number, because the mean of its divisors is an integer number (692892387).

Almost surely, 2^2720244133 is an apocalyptic number.

It is an amenable number.

2720244133 is a deficient number, since it is larger than the sum of its proper divisors (51325415).

2720244133 is an equidigital number, since it uses as much as digits as its factorization.

2720244133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51325414.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 2720244133 is about 52155.9597074006. The cubic root of 2720244133 is about 1395.9481712230.

The spelling of 2720244133 in words is "two billion, seven hundred twenty million, two hundred forty-four thousand, one hundred thirty-three".