44020420 has 24 divisors (see below), whose sum is σ = 92723904. Its totient is φ = 17554656.

The previous prime is 44020399. The next prime is 44020421. The reversal of 44020420 is 2402044.

It is a junction number, because it is equal to n+sod(n) for n = 44020394 and 44020403.

It is not an unprimeable number, because it can be changed into a prime (44020421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3769 + ... + 10111.

It is an arithmetic number, because the mean of its divisors is an integer number (3863496).

Almost surely, 2^44020420 is an apocalyptic number.

It is an amenable number.

44020420 is an abundant number, since it is smaller than the sum of its proper divisors (48703484).

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

44020420 is a wasteful number, since it uses less digits than its factorization.

44020420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6699 (or 6697 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 44020420 is about 6634.7886175823. The cubic root of 44020420 is about 353.0894385052.

Adding to 44020420 its reverse (2402044), we get a palindrome (46422464).

The spelling of 44020420 in words is "forty-four million, twenty thousand, four hundred twenty".