2010020 has 12 divisors (see below), whose sum is σ = 4221084. Its totient is φ = 804000.

The previous prime is 2010017. The next prime is 2010023. The reversal of 2010020 is 200102.

It is an interprime number because it is at equal distance from previous prime (2010017) and next prime (2010023).

It can be written as a sum of positive squares in 2 ways, for example, as 506944 + 1503076 = 712^2 + 1226^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a junction number, because it is equal to n+sod(n) for n = 2009986 and 2010013.

It is not an unprimeable number, because it can be changed into a prime (2010023) 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, 50231 + ... + 50270.

It is an arithmetic number, because the mean of its divisors is an integer number (351757).

2^2010020 is an apocalyptic number.

2010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2010020 is an abundant number, since it is smaller than the sum of its proper divisors (2211064).

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

2010020 is a wasteful number, since it uses less digits than its factorization.

2010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100510 (or 100508 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 5.

The square root of 2010020 is about 1417.7517413144. The cubic root of 2010020 is about 126.2021614002.

Adding to 2010020 its reverse (200102), we get a palindrome (2210122).

The spelling of 2010020 in words is "two million, ten thousand, twenty".