220848390 has 96 divisors (see below), whose sum is σ = 685121760. Its totient is φ = 50476608.

The previous prime is 220848379. The next prime is 220848391. The reversal of 220848390 is 93848022.

220848390 is a `hidden beast` number, since 220 + 8 + 48 + 390 = 666.

It is a super-2 number, since 2×220848390² = 97548022731184200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220848391) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4884 + ... + 21576.

It is an arithmetic number, because the mean of its divisors is an integer number (7136685).

Almost surely, 2^220848390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220848390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342560880).

220848390 is an abundant number, since it is smaller than the sum of its proper divisors (464273370).

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

220848390 is a wasteful number, since it uses less digits than its factorization.

220848390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16723 (or 16710 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 220848390 is about 14860.9686763683. The cubic root of 220848390 is about 604.4560737497.

The spelling of 220848390 in words is "two hundred twenty million, eight hundred forty-eight thousand, three hundred ninety".