220839948 has 36 divisors (see below), whose sum is σ = 637982800. Its totient is φ = 63097056.

The previous prime is 220839937. The next prime is 220839953. The reversal of 220839948 is 849938022.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 437923 + ... + 438426.

Almost surely, 2^220839948 is an apocalyptic number.

220839948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

220839948 is an abundant number, since it is smaller than the sum of its proper divisors (417142852).

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

220839948 is a wasteful number, since it uses less digits than its factorization.

220839948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876366 (or 876361 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 220839948 is about 14860.6846410251. The cubic root of 220839948 is about 604.4483718096.

The spelling of 220839948 in words is "two hundred twenty million, eight hundred thirty-nine thousand, nine hundred forty-eight".