44020213 has 4 divisors (see below), whose sum is σ = 44640288. Its totient is φ = 43400140.

The previous prime is 44020211. The next prime is 44020219. The reversal of 44020213 is 31202044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44020213 - 2¹ = 44020211 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 (44020211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309931 + ... + 310072.

It is an arithmetic number, because the mean of its divisors is an integer number (11160072).

Almost surely, 2^44020213 is an apocalyptic number.

It is an amenable number.

44020213 is a deficient number, since it is larger than the sum of its proper divisors (620075).

44020213 is an equidigital number, since it uses as much as digits as its factorization.

44020213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620074.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 44020213 is about 6634.7730179713. The cubic root of 44020213 is about 353.0888850527.

Adding to 44020213 its reverse (31202044), we get a palindrome (75222257).

The spelling of 44020213 in words is "forty-four million, twenty thousand, two hundred thirteen".