533632220 has 96 divisors (see below), whose sum is σ = 1272450816. Its totient is φ = 186278400.

The previous prime is 533632213. The next prime is 533632243. The reversal of 533632220 is 22236335.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 533632220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 603899 + ... + 604781.

It is an arithmetic number, because the mean of its divisors is an integer number (13254696).

Almost surely, 2^533632220 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 533632220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636225408).

533632220 is an abundant number, since it is smaller than the sum of its proper divisors (738818596).

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

533632220 is a wasteful number, since it uses less digits than its factorization.

533632220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011 (or 1009 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 533632220 is about 23100.4809473742. The cubic root of 533632220 is about 811.1117285429. Note that the first 3 decimals are identical.

Adding to 533632220 its reverse (22236335), we get a palindrome (555868555).

The spelling of 533632220 in words is "five hundred thirty-three million, six hundred thirty-two thousand, two hundred twenty".