2007820 has 12 divisors (see below), whose sum is σ = 4216464. Its totient is φ = 803120.

The previous prime is 2007791. The next prime is 2007823. The reversal of 2007820 is 287002.

It is not an unprimeable number, because it can be changed into a prime (2007823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50176 + ... + 50215.

It is an arithmetic number, because the mean of its divisors is an integer number (351372).

2^2007820 is an apocalyptic number.

2007820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2007820 is an abundant number, since it is smaller than the sum of its proper divisors (2208644).

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

2007820 is a wasteful number, since it uses less digits than its factorization.

2007820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100400 (or 100398 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 2007820 is about 1416.9756525784. The cubic root of 2007820 is about 126.1561011434.

The spelling of 2007820 in words is "two million, seven thousand, eight hundred twenty".