2026920 has 128 divisors (see below), whose sum is σ = 7372800. Its totient is φ = 435456.

The previous prime is 2026919. The next prime is 2026931. The reversal of 2026920 is 296202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

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, 15897 + ... + 16023.

It is an arithmetic number, because the mean of its divisors is an integer number (57600).

2^2026920 is an apocalyptic number.

2026920 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 2026920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3686400).

2026920 is an abundant number, since it is smaller than the sum of its proper divisors (5345880).

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

2026920 is a wasteful number, since it uses less digits than its factorization.

2026920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2026920 is about 1423.6994064760. The cubic root of 2026920 is about 126.5548721207.

The spelling of 2026920 in words is "two million, twenty-six thousand, nine hundred twenty".