2106020 has 48 divisors (see below), whose sum is σ = 5174400. Its totient is φ = 719712.

The previous prime is 2106019. The next prime is 2106029. The reversal of 2106020 is 206012.

It is a junction number, because it is equal to n+sod(n) for n = 2105992 and 2106010.

It is not an unprimeable number, because it can be changed into a prime (2106029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6707 + ... + 7013.

It is an arithmetic number, because the mean of its divisors is an integer number (107800).

2^2106020 is an apocalyptic number.

2106020 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 2106020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2587200).

2106020 is an abundant number, since it is smaller than the sum of its proper divisors (3068380).

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

2106020 is a wasteful number, since it uses less digits than its factorization.

2106020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2106020 is about 1451.2132854960. The cubic root of 2106020 is about 128.1801662102.

The spelling of 2106020 in words is "two million, one hundred six thousand, twenty".