4404042020 has 48 divisors (see below), whose sum is σ = 10748868480. Its totient is φ = 1484361984.

The previous prime is 4404042017. The next prime is 4404042023. The reversal of 4404042020 is 202404044.

It is an interprime number because it is at equal distance from previous prime (4404042017) and next prime (4404042023).

It is a super-2 number, since 2×4404042020² = 38791172227851360800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4404041983 and 4404042001.

It is not an unprimeable number, because it can be changed into a prime (4404042023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258329 + ... + 274848.

It is an arithmetic number, because the mean of its divisors is an integer number (223934760).

Almost surely, 2^4404042020 is an apocalyptic number.

It is an amenable number.

4404042020 is an abundant number, since it is smaller than the sum of its proper divisors (6344826460).

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

4404042020 is a wasteful number, since it uses less digits than its factorization.

4404042020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533252 (or 533250 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 4404042020 is about 66362.9566851870. The cubic root of 4404042020 is about 1639.1441623206.

Adding to 4404042020 its reverse (202404044), we get a palindrome (4606446064).

The spelling of 4404042020 in words is "four billion, four hundred four million, forty-two thousand, twenty".