733232220 has 96 divisors (see below), whose sum is σ = 2363655168. Its totient is φ = 166359552.

The previous prime is 733232197. The next prime is 733232237. The reversal of 733232220 is 22232337.

It is a super-2 number, since 2×733232220² = 1075258976892256800, which contains 22 as substring.

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, 51169 + ... + 63911.

It is an arithmetic number, because the mean of its divisors is an integer number (24621408).

Almost surely, 2^733232220 is an apocalyptic number.

733232220 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 733232220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1181827584).

733232220 is an abundant number, since it is smaller than the sum of its proper divisors (1630422948).

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

733232220 is a wasteful number, since it uses less digits than its factorization.

733232220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12899 (or 12897 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 24.

The square root of 733232220 is about 27078.2610224512. The cubic root of 733232220 is about 901.7382947498.

Adding to 733232220 its reverse (22232337), we get a palindrome (755464557).

The spelling of 733232220 in words is "seven hundred thirty-three million, two hundred thirty-two thousand, two hundred twenty".