220464760 has 32 divisors (see below), whose sum is σ = 496542960. Its totient is φ = 88097536.

The previous prime is 220464731. The next prime is 220464763. The reversal of 220464760 is 67464022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220464763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50172 + ... + 54388.

Almost surely, 2^220464760 is an apocalyptic number.

220464760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220464760 is an abundant number, since it is smaller than the sum of its proper divisors (276078200).

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

220464760 is a wasteful number, since it uses less digits than its factorization.

220464760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5535 (or 5531 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 220464760 is about 14848.0557649815. The cubic root of 220464760 is about 604.1058759181.

The spelling of 220464760 in words is "two hundred twenty million, four hundred sixty-four thousand, seven hundred sixty".