220532994 has 96 divisors (see below), whose sum is σ = 544752000. Its totient is φ = 63866880.

The previous prime is 220532971. The next prime is 220533013. The reversal of 220532994 is 499235022.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1108107 + ... + 1108305.

It is an arithmetic number, because the mean of its divisors is an integer number (5674500).

Almost surely, 2^220532994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220532994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272376000).

220532994 is an abundant number, since it is smaller than the sum of its proper divisors (324219006).

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

220532994 is a wasteful number, since it uses less digits than its factorization.

220532994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 220532994 is about 14850.3533291299. The cubic root of 220532994 is about 604.1681932222.

The spelling of 220532994 in words is "two hundred twenty million, five hundred thirty-two thousand, nine hundred ninety-four".