2071320 has 64 divisors (see below), whose sum is σ = 6380640. Its totient is φ = 537600.

The previous prime is 2071319. The next prime is 2071339. The reversal of 2071320 is 231702.

2071320 = 41² + 42² + ... + 184².

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 2071320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4710 + ... + 5130.

2^2071320 is an apocalyptic number.

2071320 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 2071320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3190320).

2071320 is an abundant number, since it is smaller than the sum of its proper divisors (4309320).

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

2071320 is a wasteful number, since it uses less digits than its factorization.

2071320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 2071320 is about 1439.2081155969. The cubic root of 2071320 is about 127.4722738635.

The spelling of 2071320 in words is "two million, seventy-one thousand, three hundred twenty".