2010420 has 120 divisors (see below), whose sum is σ = 6769224. Its totient is φ = 497664.

The previous prime is 2010413. The next prime is 2010431. The reversal of 2010420 is 240102.

It can be written as a sum of positive squares in 4 ways, for example, as 467856 + 1542564 = 684^2 + 1242^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 27504 + ... + 27576.

2^2010420 is an apocalyptic number.

2010420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2010420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3384612).

2010420 is an abundant number, since it is smaller than the sum of its proper divisors (4758804).

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

2010420 is a wasteful number, since it uses less digits than its factorization.

2010420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2010420 is about 1417.8928027182. The cubic root of 2010420 is about 126.2105323810.

Adding to 2010420 its reverse (240102), we get a palindrome (2250522).

It can be divided in two parts, 20 and 10420, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 2010420 in words is "two million, ten thousand, four hundred twenty".