220940268 has 12 divisors (see below), whose sum is σ = 515527320. Its totient is φ = 73646752.

The previous prime is 220940263. The next prime is 220940281. The reversal of 220940268 is 862049022.

220940268 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×220940268³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (220940261) 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, 9205833 + ... + 9205856.

It is an arithmetic number, because the mean of its divisors is an integer number (42960610).

Almost surely, 2^220940268 is an apocalyptic number.

It is an amenable number.

220940268 is an abundant number, since it is smaller than the sum of its proper divisors (294587052).

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

220940268 is a wasteful number, since it uses less digits than its factorization.

220940268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18411696 (or 18411694 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 220940268 is about 14864.0596069849. The cubic root of 220940268 is about 604.5398846625.

The spelling of 220940268 in words is "two hundred twenty million, nine hundred forty thousand, two hundred sixty-eight".