220137648 has 80 divisors (see below), whose sum is σ = 601449600. Its totient is φ = 69189120.

The previous prime is 220137583. The next prime is 220137649. The reversal of 220137648 is 846731022.

It is not an unprimeable number, because it can be changed into a prime (220137649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255843 + ... + 256701.

It is an arithmetic number, because the mean of its divisors is an integer number (7518120).

Almost surely, 2^220137648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220137648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300724800).

220137648 is an abundant number, since it is smaller than the sum of its proper divisors (381311952).

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

220137648 is a wasteful number, since it uses less digits than its factorization.

220137648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 220137648 is about 14837.0363617537. The cubic root of 220137648 is about 603.8069496923.

The spelling of 220137648 in words is "two hundred twenty million, one hundred thirty-seven thousand, six hundred forty-eight".