2069920 has 48 divisors (see below), whose sum is σ = 5184648. Its totient is φ = 778240.

The previous prime is 2069911. The next prime is 2069923. The reversal of 2069920 is 299602.

It can be written as a sum of positive squares in 4 ways, for example, as 1245456 + 824464 = 1116^2 + 908^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2069923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2340 + ... + 3100.

2^2069920 is an apocalyptic number.

2069920 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 2069920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2592324).

2069920 is an abundant number, since it is smaller than the sum of its proper divisors (3114728).

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

2069920 is a wasteful number, since it uses less digits than its factorization.

2069920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793 (or 785 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 2069920 is about 1438.7216548033. The cubic root of 2069920 is about 127.4435479937.

The spelling of 2069920 in words is "two million, sixty-nine thousand, nine hundred twenty".