220488450 has 192 divisors, whose sum is σ = 697455360. Its totient is φ = 44835840.

The previous prime is 220488403. The next prime is 220488467. The reversal of 220488450 is 54884022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 395572 + ... + 396128.

It is an arithmetic number, because the mean of its divisors is an integer number (3632580).

Almost surely, 2^220488450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220488450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348727680).

220488450 is an abundant number, since it is smaller than the sum of its proper divisors (476966910).

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

220488450 is a wasteful number, since it uses less digits than its factorization.

220488450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 220488450 is about 14848.8534910949. The cubic root of 220488450 is about 604.1275131715.

The spelling of 220488450 in words is "two hundred twenty million, four hundred eighty-eight thousand, four hundred fifty".