2020424 has 32 divisors (see below), whose sum is σ = 4382400. Its totient is φ = 855360.

The previous prime is 2020423. The next prime is 2020429. The reversal of 2020424 is 4240202.

It is a happy number.

It is a super-2 number, since 2×2020424² = 8164226279552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a nialpdrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 2020399 and 2020408.

It is not an unprimeable number, because it can be changed into a prime (2020423) 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, 5939 + ... + 6269.

It is an arithmetic number, because the mean of its divisors is an integer number (136950).

2^2020424 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 2020424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2191200).

2020424 is an abundant number, since it is smaller than the sum of its proper divisors (2361976).

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

2020424 is a wasteful number, since it uses less digits than its factorization.

2020424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2020424 is about 1421.4161952081. The cubic root of 2020424 is about 126.4195304437.

Adding to 2020424 its reverse (4240202), we get a palindrome (6260626).

The spelling of 2020424 in words is "two million, twenty thousand, four hundred twenty-four".