220023408 has 80 divisors (see below), whose sum is σ = 624995712. Its totient is φ = 66144000.

The previous prime is 220023379. The next prime is 220023409. The reversal of 220023408 is 804320022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220023409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67578 + ... + 70758.

Almost surely, 2^220023408 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 220023408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312497856).

220023408 is an abundant number, since it is smaller than the sum of its proper divisors (404972304).

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

220023408 is a wasteful number, since it uses less digits than its factorization.

220023408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3334 (or 3328 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 220023408 is about 14833.1860367218. The cubic root of 220023408 is about 603.7024834759.

The spelling of 220023408 in words is "two hundred twenty million, twenty-three thousand, four hundred eight".