220704750 has 224 divisors, whose sum is σ = 712041408. Its totient is φ = 50155200.

The previous prime is 220704721. The next prime is 220704787. The reversal of 220704750 is 57407022.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 1275664 + ... + 1275836.

Almost surely, 2^220704750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220704750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356020704).

220704750 is an abundant number, since it is smaller than the sum of its proper divisors (491336658).

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

220704750 is an equidigital number, since it uses as much as digits as its factorization.

220704750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 220704750 is about 14856.1350963163. The cubic root of 220704750 is about 604.3249990628.

The spelling of 220704750 in words is "two hundred twenty million, seven hundred four thousand, seven hundred fifty".