332011220 has 24 divisors (see below), whose sum is σ = 701261064. Its totient is φ = 132035456.

The previous prime is 332011219. The next prime is 332011237. The reversal of 332011220 is 22110233.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 93741124 + 238270096 = 9682^2 + 15436^2 .

It is a super-2 number, since 2×332011220² = 220462900411776800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 332011195 and 332011204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44519 + ... + 51438.

It is an arithmetic number, because the mean of its divisors is an integer number (29219211).

Almost surely, 2^332011220 is an apocalyptic number.

It is an amenable number.

332011220 is an abundant number, since it is smaller than the sum of its proper divisors (369249844).

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

332011220 is a wasteful number, since it uses less digits than its factorization.

332011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96139 (or 96137 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 332011220 is about 18221.1750444366. The cubic root of 332011220 is about 692.4433575031.

Adding to 332011220 its reverse (22110233), we get a palindrome (354121453).

The spelling of 332011220 in words is "three hundred thirty-two million, eleven thousand, two hundred twenty".