5540020 has 48 divisors (see below), whose sum is σ = 12499200. Its totient is φ = 2056320.

The previous prime is 5539999. The next prime is 5540023. The reversal of 5540020 is 200455.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5539976 and 5540003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5540023) 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, 23061 + ... + 23299.

It is an arithmetic number, because the mean of its divisors is an integer number (260400).

Almost surely, 2^5540020 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 5540020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6249600).

5540020 is an abundant number, since it is smaller than the sum of its proper divisors (6959180).

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

5540020 is a wasteful number, since it uses less digits than its factorization.

5540020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 5540020 is about 2353.7247077770. The cubic root of 5540020 is about 176.9445174927.

Adding to 5540020 its reverse (200455), we get a palindrome (5740475).

The spelling of 5540020 in words is "five million, five hundred forty thousand, twenty".