940013220 has 96 divisors (see below), whose sum is σ = 2891105280. Its totient is φ = 227145600.

The previous prime is 940013177. The next prime is 940013227. The reversal of 940013220 is 22310049.

It is not an unprimeable number, because it can be changed into a prime (940013227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8295 + ... + 44145.

It is an arithmetic number, because the mean of its divisors is an integer number (30115680).

Almost surely, 2^940013220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 940013220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1445552640).

940013220 is an abundant number, since it is smaller than the sum of its proper divisors (1951092060).

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

940013220 is a wasteful number, since it uses less digits than its factorization.

940013220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35905 (or 35903 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 940013220 is about 30659.6350271819. The cubic root of 940013220 is about 979.5907009381.

Adding to 940013220 its reverse (22310049), we get a palindrome (962323269).

The spelling of 940013220 in words is "nine hundred forty million, thirteen thousand, two hundred twenty".