4402020 has 96 divisors (see below), whose sum is σ = 14450688. Its totient is φ = 980352.

The previous prime is 4402019. The next prime is 4402033. The reversal of 4402020 is 202044.

It is a Harshad number since it is a multiple of its sum of digits (12).

4402020 is a modest number, since divided by 2020 gives 440 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 4401987 and 4402005.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19629 + ... + 19851.

It is an arithmetic number, because the mean of its divisors is an integer number (150528).

Almost surely, 2^4402020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4402020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7225344).

4402020 is an abundant number, since it is smaller than the sum of its proper divisors (10048668).

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

4402020 is a wasteful number, since it uses less digits than its factorization.

4402020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 4402020 is about 2098.0991396976. The cubic root of 4402020 is about 163.8893264802.

Adding to 4402020 its reverse (202044), we get a palindrome (4604064).

The spelling of 4402020 in words is "four million, four hundred two thousand, twenty".