220373856 has 288 divisors, whose sum is σ = 735920640. Its totient is φ = 62042112.

The previous prime is 220373849. The next prime is 220373861. The reversal of 220373856 is 658373022.

220373856 = T₃₂₅ + T₃₂₆ + ... + T₁₁₀₆.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 220373856.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2139501 + ... + 2139603.

It is an arithmetic number, because the mean of its divisors is an integer number (2555280).

Almost surely, 2^220373856 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 220373856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367960320).

220373856 is an abundant number, since it is smaller than the sum of its proper divisors (515546784).

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

220373856 is a wasteful number, since it uses less digits than its factorization.

220373856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 220373856 is about 14844.9943078467. The cubic root of 220373856 is about 604.0228343925.

The spelling of 220373856 in words is "two hundred twenty million, three hundred seventy-three thousand, eight hundred fifty-six".