2020420 has 12 divisors (see below), whose sum is σ = 4242924. Its totient is φ = 808160.

The previous prime is 2020411. The next prime is 2020423. The reversal of 2020420 is 240202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 262144 + 1758276 = 512^2 + 1326^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2020397 and 2020406.

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 3 ways as a sum of consecutive naturals, for example, 50491 + ... + 50530.

It is an arithmetic number, because the mean of its divisors is an integer number (353577).

2^2020420 is an apocalyptic number.

2020420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020420 is an abundant number, since it is smaller than the sum of its proper divisors (2222504).

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

2020420 is a wasteful number, since it uses less digits than its factorization.

2020420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101030 (or 101028 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 2020420 is about 1421.4147881600. The cubic root of 2020420 is about 126.4194470159.

Adding to 2020420 its reverse (240202), we get a palindrome (2260622).

The spelling of 2020420 in words is "two million, twenty thousand, four hundred twenty".