2140220 has 24 divisors (see below), whose sum is σ = 4539024. Its totient is φ = 847616.

The previous prime is 2140207. The next prime is 2140223. The reversal of 2140220 is 220412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1787 + ... + 2733.

It is an arithmetic number, because the mean of its divisors is an integer number (189126).

2^2140220 is an apocalyptic number.

2140220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140220 is an abundant number, since it is smaller than the sum of its proper divisors (2398804).

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

2140220 is a wasteful number, since it uses less digits than its factorization.

2140220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069 (or 1067 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2140220 is about 1462.9490763523. The cubic root of 2140220 is about 128.8702900674.

Adding to 2140220 its reverse (220412), we get a palindrome (2360632).

The spelling of 2140220 in words is "two million, one hundred forty thousand, two hundred twenty".