44020220 has 24 divisors (see below), whose sum is σ = 92577408. Its totient is φ = 17582400.

The previous prime is 44020219. The next prime is 44020237. The reversal of 44020220 is 2202044.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 44020195 and 44020204.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18710 + ... + 20930.

It is an arithmetic number, because the mean of its divisors is an integer number (3857392).

Almost surely, 2^44020220 is an apocalyptic number.

It is an amenable number.

44020220 is an abundant number, since it is smaller than the sum of its proper divisors (48557188).

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

44020220 is a wasteful number, since it uses less digits than its factorization.

44020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221 (or 3219 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 44020220 is about 6634.7735454950. The cubic root of 44020220 is about 353.0889037686.

Adding to 44020220 its reverse (2202044), we get a palindrome (46222264).

The spelling of 44020220 in words is "forty-four million, twenty thousand, two hundred twenty".