220046280 has 64 divisors (see below), whose sum is σ = 668122560. Its totient is φ = 57969408.

The previous prime is 220046273. The next prime is 220046357. The reversal of 220046280 is 82640022.

220046280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 220046280.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1087 + ... + 21006.

It is an arithmetic number, because the mean of its divisors is an integer number (10439415).

Almost surely, 2^220046280 is an apocalyptic number.

220046280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220046280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334061280).

220046280 is an abundant number, since it is smaller than the sum of its proper divisors (448076280).

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

220046280 is a wasteful number, since it uses less digits than its factorization.

220046280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22190 (or 22186 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 220046280 is about 14833.9569906347. The cubic root of 220046280 is about 603.7234015604.

The spelling of 220046280 in words is "two hundred twenty million, forty-six thousand, two hundred eighty".