2320920 has 128 divisors (see below), whose sum is σ = 8870400. Its totient is φ = 528768.

The previous prime is 2320909. The next prime is 2320933. The reversal of 2320920 is 290232.

2320920 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2320893 and 2320902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7407 + ... + 7713.

It is an arithmetic number, because the mean of its divisors is an integer number (69300).

2^2320920 is an apocalyptic number.

2320920 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 2320920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4435200).

2320920 is an abundant number, since it is smaller than the sum of its proper divisors (6549480).

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

2320920 is a wasteful number, since it uses less digits than its factorization.

2320920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2320920 is about 1523.4565960342. The cubic root of 2320920 is about 132.3996154338.

It can be divided in two parts, 2320 and 920, that added together give a triangular number (3240 = T₈₀).

The spelling of 2320920 in words is "two million, three hundred twenty thousand, nine hundred twenty".