4161020 has 24 divisors (see below), whose sum is σ = 8975904. Its totient is φ = 1619136.

The previous prime is 4161013. The next prime is 4161023. The reversal of 4161020 is 201614.

It is a junction number, because it is equal to n+sod(n) for n = 4160986 and 4161004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161023) 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, 2072 + ... + 3551.

It is an arithmetic number, because the mean of its divisors is an integer number (373996).

Almost surely, 2^4161020 is an apocalyptic number.

It is an amenable number.

4161020 is an abundant number, since it is smaller than the sum of its proper divisors (4814884).

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

4161020 is a wasteful number, since it uses less digits than its factorization.

4161020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5669 (or 5667 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 4161020 is about 2039.8578381838. The cubic root of 4161020 is about 160.8421739497.

Adding to 4161020 its reverse (201614), we get a palindrome (4362634).

The spelling of 4161020 in words is "four million, one hundred sixty-one thousand, twenty".