1220532032 has 112 divisors (see below), whose sum is σ = 2636398080. Its totient is φ = 558835200.

The previous prime is 1220532029. The next prime is 1220532037. The reversal of 1220532032 is 2302350221.

It is a super-3 number, since 3×1220532032³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1220531995 and 1220532013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220532037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5784407 + ... + 5784617.

Almost surely, 2^1220532032 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 1220532032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1318199040).

1220532032 is an abundant number, since it is smaller than the sum of its proper divisors (1415866048).

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

1220532032 is a wasteful number, since it uses less digits than its factorization.

1220532032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1220532032 is about 34936.1135789315. The cubic root of 1220532032 is about 1068.6850332612.

Adding to 1220532032 its reverse (2302350221), we get a palindrome (3522882253).

The spelling of 1220532032 in words is "one billion, two hundred twenty million, five hundred thirty-two thousand, thirty-two".