4401020 has 24 divisors (see below), whose sum is σ = 9953664. Its totient is φ = 1624896.

The previous prime is 4400993. The next prime is 4401043. The reversal of 4401020 is 201044.

4401020 = 312² + 313² + ... + 351².

It is a junction number, because it is equal to n+sod(n) for n = 4400992 and 4401010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8204 + ... + 8723.

It is an arithmetic number, because the mean of its divisors is an integer number (414736).

Almost surely, 2^4401020 is an apocalyptic number.

It is an amenable number.

4401020 is an abundant number, since it is smaller than the sum of its proper divisors (5552644).

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

4401020 is a wasteful number, since it uses less digits than its factorization.

4401020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16949 (or 16947 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 4401020 is about 2097.8608152115. The cubic root of 4401020 is about 163.8769153796.

Adding to 4401020 its reverse (201044), we get a palindrome (4602064).

The spelling of 4401020 in words is "four million, four hundred one thousand, twenty".