220746552 has 64 divisors (see below), whose sum is σ = 596846880. Its totient is φ = 67633152.

The previous prime is 220746529. The next prime is 220746569. The reversal of 220746552 is 255647022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78808 + ... + 81560.

Almost surely, 2^220746552 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 220746552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298423440).

220746552 is an abundant number, since it is smaller than the sum of its proper divisors (376100328).

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

220746552 is a wasteful number, since it uses less digits than its factorization.

220746552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032 (or 3028 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 220746552 is about 14857.5419232119. The cubic root of 220746552 is about 604.3631501808.

The spelling of 220746552 in words is "two hundred twenty million, seven hundred forty-six thousand, five hundred fifty-two".