4092020 has 12 divisors (see below), whose sum is σ = 8593284. Its totient is φ = 1636800.

The previous prime is 4092013. The next prime is 4092029. The reversal of 4092020 is 202904.

It can be written as a sum of positive squares in 2 ways, for example, as 2226064 + 1865956 = 1492^2 + 1366^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4092020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4092029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102281 + ... + 102320.

It is an arithmetic number, because the mean of its divisors is an integer number (716107).

Almost surely, 2^4092020 is an apocalyptic number.

It is an amenable number.

4092020 is an abundant number, since it is smaller than the sum of its proper divisors (4501264).

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

4092020 is a wasteful number, since it uses less digits than its factorization.

4092020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204610 (or 204608 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 4092020 is about 2022.8741928256. The cubic root of 4092020 is about 159.9481602892.

Adding to 4092020 its reverse (202904), we get a palindrome (4294924).

The spelling of 4092020 in words is "four million, ninety-two thousand, twenty".