2061420 has 96 divisors (see below), whose sum is σ = 6386688. Its totient is φ = 494592.

The previous prime is 2061419. The next prime is 2061427. The reversal of 2061420 is 241602.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2061420.

It is not an unprimeable number, because it can be changed into a prime (2061427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43837 + ... + 43883.

It is an arithmetic number, because the mean of its divisors is an integer number (66528).

2^2061420 is an apocalyptic number.

2061420 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 2061420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3193344).

2061420 is an abundant number, since it is smaller than the sum of its proper divisors (4325268).

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

2061420 is a wasteful number, since it uses less digits than its factorization.

2061420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2061420 is about 1435.7646046619. The cubic root of 2061420 is about 127.2688622821.

The spelling of 2061420 in words is "two million, sixty-one thousand, four hundred twenty".